Answers
Answer:
This will take me a min hold up
Explanation:
11: if the charge INCREASES then so does the force
12: x2
13: x3
14: be like x4 i think.. yeah x4
Erm table 1: 0.6N, 1.2N, 1.8N
and table 2 I think: 0.6N, 2.4 N, 5.4N
Related Questions
Between the orbits of Mars and Jupiter, several thousand small objects called asteroids move in nearly circular orbits around the Sun. Consider an asteroid that is spherically shaped with radius r and density 2000 kg/m^3.
1. You find yourself on the surface of this asteroid and throw a baseball at a speed of 24 m/s. If the baseball is to travel around the asteroid in a circular orbit, what is the largest radius asteroid on which you are capable of accomplishing this feat?
Answers
Answer:
The radius is [tex]r = 3.21*10^{4} \ m[/tex]
Explanation:
From the question we are told that
The density is [tex]\rho = 2000 \ kg/m^3[/tex]
The speed is [tex]v = 24 \ m/s[/tex]
Generally the largest radius of the asteroid is mathematically represented as
[tex]r = \frac{v^2}{ \sqrt{G * \rho * [\frac{4}{3} ] * \pi} }[/tex]
=> [tex]r = \frac{24^2}{ \sqrt{ 6.67*10^{-11} * 2000 * [\frac{4}{3} ] *3.142 } }[/tex]
=> [tex]r = 3.21*10^{4} \ m[/tex]
Does using toothpast with baking soda make my teeth whiter than toothpaste without baking soda? What's the Independent variable and what's the dependent variable, and also constant.
Answers
Answer: Teeth whitening is the dependent variable.
Toothpaste with or without baking soda are the independent variables.
Explanation:
An independent variable is required to be altered and tested on the experimental or dependent variable to know the effect of the independent variable on the dependent variable.
Here, the teeth whitening is the dependent variable which depends on the type of material used for making them white. The tooth paste with or without the baking soda is tested on teeth to check their whitening.
should you keep your money in a savings account
Answers
Answer:
You should split your money wisely. Keep some in a savings and keep some in a checking account. Save for emergencies and rainy days.
Explanation:
In terms of vectors why does an object slow down? (physics question)
Answers
File:No file chosen
Whenever electrons of an atom unite with electrons of another atom, a chemical change occurs.
What is the cause?
What kind of change occurs?
Water expands when it freezes. Expanded ice floats on lakes and ponds.
What causes the water to expand?
What is the effect on the expanded ice?
Some metals will expand when heated. Expanded metals may bend.
What causes the metal to expand?
What are the effects of the expanded metal?
Gases expand when heated. An expanded gas occupies more space.
What causes the gas to expand?
What are the effects of the expanded gases?
Answer the above questions and give an example of a cause and effect relationship. See if you can think up a cause and effect relationship using acids, bases, and neutralization.
Answers
Answer:
C. would be the correct option
Explanation:
Burning gasoline is a chemical change because when gasoline is ignited, water and carbon dioxide are produced. Water freezing to form ice would be a physical change since its state of matter has changed, but not the water itself. Sugar dissolving in water is also a physical change because all it's really doing is just forming bubbles and changing the color. Choice D. would also be a physical change since the piece of metal is still a piece of metal, it just expanded when the temperature increased.
X-Rays are high energy light waves. True or false?
pls help!!!!!
Answers
Answer:
false
Explanation:
X-radiation, is a penetrating form of high-energy electromagnetic radiation.
Most car engines have air cooling systems. True or False.
Answers
Answer:
true
hopefully, it's right
Answer:
true
Explanation:
hopefully this is what you needed
How much work was a baby doing if she used a force of 2N and pulled her rattle for 1.3 M?
Answers
A box rest on the floor of an elevator. Because of static friction, a force is required to start the box sliding across the floor when the elevator is (a) stationary, (b) accelerating upwards, and (c) accelerating downward. Rank the force required in these three situations from smallest to largest
Answers
Answer:
The answer is c
Explanation:
If the elevator is moving upward gravity is pushing downward however once the elevator starts to descend gravity is pushing upward causing the box to move.
I WILL SELL YOU MT SOUL PLS ANSWER ILL DO ANYTHING Yellowstone Park
A group of wildlife biologists is keeping track of the number of wolves in yellowestone park. the table bellows shows the number of eagle in yellowstone national park for selected years.
a. what is the independent variable
b. what is the dependent variable
c. explain what type of graph should be used to display this data and why
d. what would the label of the X axis be?
Answers
Answer:
A) Year
B) Number of Wolves
C) Bar graph
D) Year
Explanation:
A) The year is always definite; it never depends on any other variable. The number of wolves doesn't change the year.
B) The number of wolves depends on variables like food, water, shelter, ect. The number of wolves isn't magical and just change on its own.
C) I think a bar graph will work best best it shows a more visual representation of the number of wolves. A line graph can be confusing with how proportional and scattered the data is, and a scatterplot diagram would be better if you were tracking the number of wolves and another variable, like available food or something like that. With the given data, to me, a bar graph makes the most sense.
D) The independent variable tends to always be what x stands for, and the dependent variable always tends to be what the y stands for. Since the year is our independent variable, and our x is the year, we can name the x axis "Year." Its simple, but it works.
I hope this helps!
Consider an amusement park ride in which participants are rotated about a vertical axis in a cylinder with vertical walls. Once the angular velocity reaches its full value, the floor drops away and friction between the walls and the riders prevents them from sliding down. How many revolutions does the cylinder make each second, given that the minimum coefficient of static friction that is needed to keep the riders from sliding down is 0.695 and the diameter of the cylinder is 13.5 m?
Answers
Answer:
0.231 rev/s
Explanation:
[tex]m[/tex] = Mass of cylinder
[tex]d[/tex] = Diameter of the cylinder = [tex]13.5\ \text{m}[/tex]
[tex]r[/tex] = Radius = [tex]\dfrac{13.5}{2}=6.75\ \text{m}[/tex]
[tex]\mu[/tex] = Coefficient of static friction = [tex]0.695[/tex]
[tex]N[/tex] = Normal force = [tex]mr\omega^2[/tex]
[tex]g[/tex] = Acceleration due to gravity = [tex]9.81\ \text{m/s}^2[/tex]
The force equation of the system will be
[tex]\mu N=mg\\\Rightarrow \mu\times mr\omega^2=mg\\\Rightarrow \omega=\sqrt{\dfrac{g}{\mu r}}\\\Rightarrow \omega=\sqrt{\dfrac{9.81}{0.695\times 6.75}}\\\Rightarrow \omega=1.45\ \text{rad/s}[/tex]
Converting to rev/s
[tex]\dfrac{1.45}{2\pi}=0.231\ \text{rev/s}[/tex]
The number of revolutions of the cylinder is 0.231 rev/s.
two compaines that makes driver less less cars
Answers
Waymo is far ahead of any other autonomous vehicle company since they have far more operable vehicles. Also, their vehicles have driven a lot more kilometres--both in real life and in simulations. GM (General Motors) Cruise division has the second-largest amount of operable vehicles. Although their vehicles have driven fewer kilometres compared to Waymo, they've still driven a considerable amount.
Ford Motor Company's Argo AI, Tesla, and Baidu are also notable mentions.
Help 20 points
Look at SS
Answers
Answer:
1800 years
Explanation:
300*12=3600 (which is feet to inches)
3600/2=1800 (is the answer because it's 2 inches per year)
A wagon with a weight of 300 N is accelerated across a level surface at 0.5 m/s2. What is the net force on the wagon?
Answers
Answer:
I believe it is 600.
Explanation:
300 divided by 0.5
(I am so sorry if this is wrong, I am currently learning the same thing.)
A projectile is launched at an angle of 45 degrees with a velocity of 250 m/s. If air resistance is neglected, the magnitude of the horizontal velocity of the projectile at the time it reaches maximum altitude is equal to
Answers
Answer:
The horizontal velocity of the projectile at the time it reaches maximum altitude approximately equal to 131.331 meters per second.
Explanation:
From Mechanical Physics we understand that projectile motion is the combination of a horizontal motion at constant velocity and a vertical uniform accelerated motion due to gravity. Then, the horizontal velocity of the projectile ([tex]v_{x}[/tex]), measured in meters per second, remains constant during motion. That is:
[tex]v_{x} = v_{o}\cdot \cos \theta[/tex] (Eq. 1)
Where:
[tex]v_{o}[/tex] - Initial velocity of the projectile, measured in meters per second.
[tex]\theta[/tex] - Launch angle above the horizontal, measured in sexagesimal degrees.
If we know that [tex]v_{o} = 250\,\frac{m}{s}[/tex] and [tex]\theta = 45^{\circ}[/tex], then horizontal velocity of the projectile at the time it reaches maximum altitude is:
[tex]v_{x} = \left(250\,\frac{m}{s} \right)\cdot \cos 45^{\circ}[/tex]
[tex]v_{x} \approx 131.331\,\frac{m}{s}[/tex]
The horizontal velocity of the projectile at the time it reaches maximum altitude approximately equal to 131.331 meters per second.
What physical property of matter is always the same no matter the size or amount
Answers
Answer:
Characteristic Property
Explanation:
A property of matter that is always the same, no matter what size the sample. These are used to help identify substances. Examples are density, solubiility, flammability, reactivity
A cart, starting from rest, rolls across the floor for 0.5s. It accelerates at 4.2 m/s2. How far did it roll?
Answers
Answer:I need this answer tooooo
Explanation:
In one of the printed docunent the unit of universal gravitational constant is given Nm2kg-2.Check its correctness for dimension analysis.
Answers
Answer:
It is correct
Explanation:
Given dimension is:
Nm² kg⁻²
To find the dimension of the universal gravitational constant, let us state the law of universal gravitational constant.
"every particle attracts every other particle with a force that is directly proportional to their masses and inversely proportional to the mass between them".
F = [tex]\frac{Gm_{1} m_{2} }{r^{2} }[/tex]
F is the force
G is the universal gravitation constant
m is the mass
r is the distance between them
Using the dimension;
N = [tex]\frac{G x kg x kg}{m^{2} }[/tex]
Nm² = Gkg²
Unit of G = Nm² kg⁻²
PLEASE HELPPPP!!! I'VE BEEN STUCK ON THIS PROBLEM FOR A WHILE!!!!
A hiker walks due east for a distance of 25.5 km from her base camp. On the second day, she walks 41.0 km North Westtill she discovers the cave she wanted to see. Determine the magnitude and direction of her resultant displacement between the base camp and the cave.
Answers
Answer:
Resultant displacement is 29.2 km at north of west
Explanation:
To solve the problem, we have to use the rules of vector addition, resolving first each vector along the x- and y- direction.
Taking east as positive x direction and north as positive y- direction, we have:
- First displacement is 25.5 km east, therefore its components are
- Second displacement is 41.0 km northwest, so its components are
So, the components of the resultant displacement are
And so, the magnitude is calculated using Pythagorean's theorem:
And the direction is given by
Where the angle is measured from the west direction, since Rx is negative.
An object that is moving can be in equilibrium.
O True
O False
Answers
Answer:
i think its false
Explanation:
A zero acceleration is the fundamental characteristic of an object in equilibrium.
Answer:
True
Explanation:
If its moving at a constant velocity its acceleration is zero. An zero acceleration is the the fundamental characteristic of an object in equilibrium
does using toothpast with baking soda make my teeth whiter than toothpaste without baking soda? What’s the Independent variable and what’s the dependent variable, and also constant.
Answers
Answer:
I dont think so dont try it!
Explanation:
A car weighing 12,000 N is parked on a 36° slope.
A) Find the force tending to cause the car to roll down the hill.
B) Find the acceleration of the car rolling down the hill.
Answers
Answer:
A resultant is the sum of two (or more) vectors.
2. To add vectors, place the vectors such that the tail of the second vector is placed
at the head of the first vector. Draw a resultant vector from the tail of the first
vector to the head of the second vector. Using the Pythagorean theorem,
calculate the magnitude of the resultant vector. Use geometry or a protractor to
determine the angle of direction of the resultant vector.
Explanation:
Imagine two of the exact same shopping carts being pushed across the grocery store with the exact same amount of force. The two shopping carts are released simultaneously. They both keep going for a short distance. One of them moves with a greater acceleration than the other. Since they are the exact same cart and are pushed with the exact same force, which statement below describes a scenario in which it would be possible for one of them to have greater acceleration.
Group of answer choices
Answers
Answer: The mass of the carts is different.
Explanation: If the mass of the cart is less, it is able to be pushed further out because it weighs less which causes it to gain acceleration while the other cart could have a greater mass and its weight would cause it to slow down. Hope this helps! :).
Electric charge only has an amount. That makes it a
Answers
What is the answer to this question?
Answers
Answer:it c
Explanation: I took the test
PLEASE ANSWER AS FAST AS YOU CAN How would an observer on train A, which is moving close to the speed of light, view a clock in train B, which is stationary at the train station
A. the clock in train B appears to be the same width and to run at the same rate.
B. the clock in train B appears narrower and runs faster
C. the clock in train B appears narrower and runs more slowly
D. the clock in train B appears wider and runs more slowly
Answers
Answer:
If the trains are moving at the same speed, the answer is A.
The clock in train B appears to be the same width and to run at the same rate. Option A is correct.
It is given that an observer on train A, which is moving close to the speed of light, views a clock in train B, which is stationary at the train station.
It is required to find how an observer would observe a clock in train B.
What would an observer on train A, which is in motion, view a clock in train B?If a person is in a moving train, then his body is also in a state of motion with respect to the train at the same rate. When the observer observes any object that is at rest then it does not change the shape or size of an object. Also an object appears to run a=t the same rate due to the relative velocity attain by the observer's train.
Relative Motion is
Relative motion is the speed or the motion of an object with respect to the moving or the stationary object.
Thus the clock in train B appears to be the same width and to run at the same rate.
Learn more about relative motion here:
https://brainly.com/question/15836528
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Brennan is traveling in a car at a constant speed and in a constant direction. Once the brakes are applied , Brennan's upper body continues to move forward until a force in the opposite direction is applied on his body. Brennan's movement is an example of which scientific law? Group of answer choices Law of magnetism Law of Gravity Law of inertia Law of Conservation of Energy
Answers
Answer:
The answer is law of inertia
Explanation:
The law of inertia is the first law in Newton's laws of motion. It postulates that an object or body at a state of rest or in uniform motion continue in such state unless an external force is applied.
Brennan is a body, in a car that is moving at a constatnt speed. The moment an external force (brakes) is applied to the car's speed, Brennan's upper body which was at a state of rest starts moving forward.
Likewise, it takes the application of another force (acceleration) to restore Brennan's upper body back to the state it was before the car's breakes were applied.
Answer:
the person in front of me is correct
Explanation:
True or False: You cannot have a high BMI reading and still be healthy.
Answers
Answer:
True
Explanation:
Im healthy and have a slightly higher BMI
Matt manages a company that monitors the wastes from a company that produces radioactive byproducts. Matt is
most likely an)
O medical doctor.
O agricultural engineer.
O archeologist.
O nuclear scientist.
Answers
Which arrow represents the change of state described above? The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. Before the change, the atoms are close together but are able to slide past one another. Ом N gas P M Ζ Ο P solid liquid
Answers
Its P path describes the change of state i.e from solid to liquid.
What is solid ?
"A solid is that state of matter which has a fixed shape, mass, and volume. It suffers very small changes in volume by changing the temperature. It can not be compressed, e.g. — Sand, Wood, Copper, Ice, etc."
What is liquid ?
"A liquid is a sample of matter that conforms to the shape of a container in which it is held, and which acquires a defined surface in the presence of gravity. The term liquid is also used in reference to the state, or condition, of matter having this property."
Know more about solid here
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