What must an object have in order to exert a gravitational field?

Answers

Answer 1

Answer:

power

Explanation:


Related Questions

What is the rule for calculating current in a series circuit?

Answers

Current in a series circuit =

(voltage between the ends of the circuit)

divided by

(the sum of all the individual resistors in the circuit) .

In the apple activity you completed which of the following is an example of a constant?
The temperature of the apple.
Where the apple is stored.
How the apple is wrapped up.
The type of apple.

Answers

Answer:

the type of apple

Explanation:

the type of apple is constant (never changes) but the temperature of the apple is not constant.

Answer:

the type of apple <3

Explanation:

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+ charge.

How are these two alike? same number of __________

How are they different? different number of ________

Group of answer choices:
A. protons, neutrons
B: protons, electron
C: electrons, neutrons
D: electrons, protons

Answers

Same number of protons
Different number of electrons


Please help. Hurry. Almost out of time. Hurry hurry.

Answers

Answer: i think unbaleannce

Explanation:

what is mechanical energy​

Answers

Explanation:  

In physical sciences, mechanical energy is the sum of potential energy and kinetic energy. It is the macroscopic energy associated with a system. The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is constant. If an object moves in the opposite direction of a conservative net force, the potential energy will increase; and if the speed (not the velocity) of the object changes, the kinetic energy of the object also changes. In all real systems, however, nonconservative forces, such as frictional forces, will be present, but if they are of negligible magnitude, the mechanical energy changes little and its conservation is a useful approximation. In elastic collisions, the kinetic energy is conserved, but in inelastic collisions some mechanical energy may be converted into thermal energy. The equivalence between lost mechanical energy (dissipation) and an increase in temperature was discovered by James Prescott Joule.

What type of sedimentary rock is gypsum.

Answers

Answer:

metamorpic rock

Explanation:

the rock stay near the ocen

The bar chart shows the percentage of adults in the U.S. living with certain heart disease risk factors. Which conclusion can be drawn from the chart?
A.
About 30% of adults are living with obesity, high blood pressure, or both.
B.
Diabetes is the leading cause of heart disease among adults who have high cholesterol.
C.
Over 50% of the reporting adults are living with risk factors that can be controlled through diet and exercise.
D.
If an adult leads an inactive lifestyle, he has a 38% chance of getting heart disease.

Answers

Answer : Option C) Over 50% of the reporting adults are living with risk factors that can be controlled through diet and exercise.

Explanation : Assuming that the chart is as per the attachment in the answer. The answer will be more than 50 percent of the adults are living with the risk factors and it can be easily controlled through diet and exercise. It is an alarming signal to notice the health issues amongst the people.

Can you pls answer the 2 questions

Answers

Answer:

1) False, since constant speed means constant velocity, but with constant direction as well. Velocity is speed with direction. When you move in a circle, there are boundaries which means that a constant moving speed will cause the object to veer(move in different directions) to maintain movement, If it doesn't veer, the object will deflect(rebound) off the surface due to friction, and impact force or depending on its physical bond of malleability or density.

2a) Create position vectors by drawing a ray from the center(origin) of the circle to each of your desired points, it's magnitude will be the radius(how convenient). Both of these vectors go from the center of the circle to the position on the circle. In general, the distance from the origin to a point is called the radius vector.

2b)

In the product 6, what does the coefficient mean?

Answers

Answer: Explanation:

A number used to multiply a variable. Example: 6z means 6 times z, and "z" is a variable, so 6 is a coefficient. ... Example: In ax^2 + bx + c, "x" is a variable, and "a" and "b" are coefficients.

2. Does the emphasis on safety vary for each style of vehicle? In what way?
3. Does the level of safety equipment vary with price of vehicle?
4. What effects will a vehicle’s top speed, power and acceleration likely to have on safety? Is this considered in the advertisements?
WILL MARK BRAINLIEST IF CORRECT

Answers

Answer:

Emphasis on public safety can surely reduce the risk for various groups of population

1. Proper education and training must be provided to make them aware of the risks and how they can manage those risks.

2. Proper rules and regulation must be made and strictly followed for example traffic rules so as to avoid accidents.

3. Disaster management teams should to formed to ensure minimal loss of humans and resources during any natural calamity.

4.Eradication of poverty and illiteracy should be priority so as to ensure people focus on more important issues in life rather than involve themselves in trivial things.

Explanation:

When food is exposed to the air, it can lose electrons. The loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food, causing it to spoil. What are these reactive molecules called?

Answers

Answer:

Free Radicals

Explanation:

AP3X

Using only one management style with all people is the most effective leadership technique for any organization.

Answers

Answer:

False

Explanation:

More than one management style with all people is the most effective leadership technique for any organization. So, the given statement is False.

What is Leadership technique?

Leadership styles are defined as those adopted by company leaders to increase efficiency, satisfaction, growth and advancement in all positions in the organization. It requires a different style in different situations and each leader needs to know when to show a special behavior.

These strategies define every leader's personal leadership style. Some effective leadership Techniques are as follows:

Understanding the objectives clearlyGet to know the teamAlways be a learnerListen.Learn to delegate.

Thus, more than one management style with all people is the most effective leadership technique for any organization. So, the given statement is False.

Learn more about Marketing techniques, here:

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How much time will it take a truck to go from 10 m/s to 35 m/s if the truck accelerates at a constant rate of 1.7 m/s2 ?

Answers

Answer:

thank u for the happiest year of my life

A 15 kilogram mass is traveling with a velocity of 2.7m/s. What is the object's kinetic energy?

Answers

Answer:

KE=1/2*m*v^2

KE=1/2*15*2.7^2

KE=54.675 J

Explanation:

Which object has a net force of –5 N down?

Answers

Answer:

y

Explanation:

i did it

The object in image [x] has a net force of -5 Newtons in the vertical direction.

What is force?

In order to move a body of mass (m) with an acceleration of 'a' m/s², a force of magnitude equal to the product of body's mass and the required acceleration is needed. Mathematically -

F = ma

It is a vector quantity. In a three dimensional coordinate, the force vector can be resolved as -

[F] = F[x] a[x] + F[y] a[y] + F[z] a[z]

[F] = m {A[x] a[x] + A[y] a[y] + A[z] a[z]}

We have free - body diagrams as shown in the image.

If we observe image [x], we can easy calculate that -

The force along the horizontal F[h] = 15 - 15 = 0

The force along the vertical F[v] = 20 - 25 = - 5 Newtons

Therefore, the object in image [x] has a net force of -5 Newtons in the vertical direction.

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[Refer to the image attached for full question]

A toy car, initially travelling in a straight line at 30.0 cm/s, slows down with a constant linear acceleration of 3.0 cm/s2. How much time passes before the toy car comes to a halt?

Answers

Answer:

10s

Explanation:

Given parameters:

Initial velocity  = 30cm/s

Acceleration  = 3cm/s²

Unknown:

Time it takes for the car to come to rest  = ?

Solution:

To solve this problem, we apply the right motion equation;

   Our final velocity - 0

So;

       V = U + at

Since the car is slowing down, it will have a negative acceleration

Insert the parameters and solve;

       0 = 30 + (-3) x t

          -30 = -t

              t = 10s

A 6.46 kg object moving with a velocity of 5.23 m/s is struck from behind by a moving 11.77 kg object. They stick together, moving off with a mutual velocity of 17.93 m/s. What was the original velocity of the 11.77 kg object before the collision?

Answers

Answer:

is

Explanation:

e

a cell containing cyanamide is least likely to carry on the process of what transport

Answers

Answer:

Active transport

19. The particles in an object move very quickly and are spread apart. Then they move slower and get slower and get closer together but do not form regular and organized patterns. What change of state occured? How do you know?

Answers

Answer:

The transformation went from a gas to a solid which is a Deposition

Explanation:

Deposition is the phase transition in which gas transforms into solid without passing through the liquid phase. Deposition is a thermodynamic process. The reverse of deposition is sublimation and hence sometimes deposition is called desublimation.

The change of state that occurred was that the object went from gas to solid in a process of Deposition.

The properties of gas and solid:

Particles in gas move very quickly which leads to them being spread apart Particles in solids are quite slow and so are close together

Based on the properties of the object before and after the change, we can infer that the object went from gas directly to solid. This process is called a deposition.

In conclusion, a deposition occurred with gas changing directly to solid.

Find out more at https://brainly.com/question/24651908.

What is the acceleration of a 349 kg object that moved with a force of 750 N?

Answers

Answer:

The answer is 2.15 m/s²

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

[tex]a = \frac{f}{m} \\ [/tex]

where

f is the force

m is the mass

From the question we have

[tex]a = \frac{750}{349} \\ = 2.14899713...[/tex]

We have the final answer as

2.15 m/s²

Hope this helps you

Stored energy is_____ Energy.
A) Nuclear
B) Potential
C) Kinetic
D) Light


Water being held back by a dam possesses which type of energy?
A) Kinetic energy
B)Potential Energy
C) Nuclear energy
D) Chemical energy

Answers

1: B

2:B
They are both Potential energy the second one can be kinetic energy if the energy flow your welcome

What type of potential energy is a 9 volt battery an example of?

Answers

Answer:

It is electrical potential energy

Explanation:

because any sort of battery produces energy making it electrical. I hope this helps

Answer:

Chemical Potential Energy

Explanation:

HELP ME PLEASE. i need to turn this in by tomorrow, also pls use the words above^ thank you i’ll mark u the brainliest.

Answers

Answer:

the corrdct answer is core

85POINTS ASAP!!!!!!!!!!!!!!

Answers

The andwer of tye question is 3O2

Answer:

hi

Explanation:

A constant net force acts on an object. Describe the motion of the object
a) constant acceleration
B) constant speed
C) constant velocity
D) increasing acceleration

Answers

Answer:

C)constant velocity

Explanation:

it is probably corrected

The diffuser in a jet engine is designed to decrease the kinetic energy of the air entering the engine compressor without any work or heat interactions. Calculate the velocity at the exit of a diffuser when air at 100kPa and 20oC enters it with a velocity of 500 m/s and the exit is 200kPa and 90oC.

Answers

Answer: 330.18m/s

Explanation:

Given data:

T1 = 20 °C

T2 = 90 °C

V = 500m/s

P1 = 100kpa

P2 = 200kpa.

Cp = 1.007kj/KgK

Solution:

Energy balance

Ein - Eout = change in Esystem.

We know

Exit velocity

V2 = (V1^2 + 2(h1 - h2)^0.5 = [V1^2 + 2Cp (T1-T2)]^0.5

input given data into the formula

V2 = [500^2 + 2 (1.007) * (20 - 90) * 1000/1 ]^0.5

V2 = 109020^0.5

V2 = 330.18m/s

Velocity at the exit is 330.18m/s

What is an important property about the wires of a circuit?​

Answers

Answer:

That they conect the curcut and porvide electricity.

Explanation:

Answer:the wires must be conducted so that they allow for electrons to flow through the material

Explanation:

A ball is thrown horizontally from the top of
a building 51 m high. The ball strikes the
ground at a point 120 m from the base of the
building.
The acceleration of gravity is 9.8 m/s
2
.
Find the time the ball is in motion.
Answer in units of s.
If the time the ball is in motion is 3.22617 s
Find the initial velocity of the ball.
Answer in units of m/s.

Answers

Answer:

whattt

Explanation:

sorry dear I did not understand

Which ballet move is most similar to a track runner jumping over hurdles?

a Balancing on one leg
b Complex footwork patterns
c Straight leg dance kick
d Split leap

Answers

the answer is probaly D

Solve for the resultant displacement of the two vectors: A = 2.3 km at 45 degrees B = 4.8 km at 90 degrees

Answers

Answer:

The resultant of the vector is 6.63 km

Explanation:

Given;

vector A = 2.3 km 45°

vector B = 4.8 km 90°

The vectors in the x - direction is given by;

Aₓ = 2.3 km Cos 45° = 1.6263 km

Bₓ = 4.8 km Cos 90° = 0

The sum of the vectors in x -direction is given by;

∑X =  1.6263 km + 0 = 1.6263 km

The vectors in the y - direction is given by;

Ay = 2.3 km Sin 45 = 1.6263 km

By = 4.8 km Sin 90° = 4.8 km

The sum of the vectors in y -direction is given by;

∑Y =  1.6263 km + 4.8 km = 6.4263 km

The resultant vector is given by;

R = √(X² + Y²)

R = √[(1.6263)² + (6.4263)²]

R = 6.63 km

Therefore, the resultant of the vector is 6.63 km

The resultant displacement of the two vectors A and B is 6.63 Km and this can be determined by using the given data.

Given :

The two vectors: A = 2.3 km at 45 degrees B = 4.8 km at 90 degrees.

In order to determine the resultant displacement, first, determine the vector in x-direction:

[tex]\rm A_x=2.3cos45=1.6263 \;Km[/tex]

[tex]\rm B_x=4.8cos90=0 \;Km[/tex]

Now, the sum of the vectors is given by:

[tex]\rm \sum X=1.6263+0=1.6263\;Km[/tex]

In order to determine the resultant displacement, first, determine the vector in y-direction:

[tex]\rm A_y=2.3sin45=1.6263 \;Km[/tex]

[tex]\rm B_y=4.8sin90=4.8 \;Km[/tex]

Now, the sum of the vectors is given by:

[tex]\rm \sum Y = 1.6263+4.8=6.4263[/tex]

Now, the resultant vector is given by:

[tex]\rm R = \sqrt{X^2+Y^2}[/tex]

[tex]\rm R=\sqrt{(1.6263)^2+(6.4263)^2}[/tex]

R = 6.63 Km

The resultant displacement of the two vectors A and B is 6.63 Km.

For more information, refer to the link given below:

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