Which is a characteristic of atoms?
1 They come in ten major types.
2 They are the smallest units of matter.
3 They can be found in nonliving things only.
4 They cannot combine together.

Icy pieces that orbit in the same region as the orbit of Pluto are believed to be members of the Kuiper belt.

The Kuiper belt is a shape-disc formation in the solar system observed from Neptune and more away from our sun.

The Kuiper belt consists of different celestial bodies including among others icy pieces, planets, and comets.

In conclusion, icy pieces that orbit in the same region as the orbit of Pluto are believed to be members of the Kuiper belt.

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The value of the peak power will be 50 W. The peak power is found as two times of the average power. Option C is correct.

Average power is a ratio of total work done by the body to the total time. Its unit is the watt. It is also defined as the rate of total work done by the body.

The given data in the problem is;

Average power = 25 W

Peak power = ?

The peak power is found as;

Peak power = 2 × average power

Peak power=2×25

Peak power = 50 W

Hence, the value of the peak power will be 50 W.

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Answer:

Power is defined as Work / Time

P1 = P2 = W1 / T1 = W2 / T2       W1 and W2 are not necessarily the same Power expended depends on both work input over a unit of time

Braking force is applied to brakes to stop the car. The average braking force is 2kN.

Force is the product of mass of the object and acceleration.

The braking force is the force applied on the brakes to stop the car at a distance.

Suppose, the mass of the car is m=1000kg

The initial velocity of the car is u=10m/s

The time is t=5s

The final velocity of the car is v = 0 m/s

Applying the first equation of motion, to calculate the acceleration,

v=u + at

a=(v−u) / t

a =0−10 / 5

a =−2m/s²

Then, apply Newton's Second Law of Motion to calculate the braking force

F = ma = 1000 x 2= 2000 N or 2kN

Thus, the magnitude of the average braking force on the car is most nearly 2kN.

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Explanation:

Take F=ma

a = F/m

For a higher, F higher or m lower

Means higher horse power for engine or lower mass for the car

An engineer can make a car to accelerate faster by having higher horsepower for the engine or less mass for the car.

Acceleration is defined as the rate of change of velocity of an object with respect to time. These are vector quantities because they have both direction and magnitude. The orientation of an object's acceleration is given by the orientation of the net force acting on that object.

Acceleration in a car has everything to do with the torque and horsepower on the car where these two characteristics essentially determine the speed of the vehicle. The higher the torque and horsepower, the faster we go

Acceleration is expressed in terms of Force which is equals to

F=ma (m=mass, a= accelaration)

So, a = F/m

For a higher, F will be higher or m will be lower

Thus, an engineer can make a car to accelerate faster by having higher horsepower for the engine or less mass for the car.

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Explanation:

The study of properties of matter, energy and of their mutual relationships is called physics

Answer:

Dont

Explanation:

Know

Answer:

15 N

Explanation:

Force=mass x acceleration

15= 5 x 3

Answer: 15N

Explanation:

If the object has a mass of 5kg and accelerates 5m/s^2, force that is applied to move the object is simply the product of mass and acceleration.

Answer: the guy is right

Explanation:

:)

Answer:

4905.95 N

Explanation:

F= G m1 m2 / (r^2)

  = 6.67 x 10^-11   *  2.25 * 10^20 * 6.2 * 10^10 / ( 435 500 000)^2 =

( be sure to use meters    NOT kilometers !)

The gravitational attraction between two planets is  4905.95 N

When two objects with masses are placed at a distance, there will an attractive force acting between them.

According to the Newton's law of gravitation, gravitational force is

F = Gm₁m₂ /r²

where r is the distance between the masses m₁ and m₂ and  G is the gravitational constant G = 6.67 x 10⁻¹¹ N-m²/kg²

Substitute the values into the expression, we get

F =  6.67 x 10⁻¹¹ x  2.25 x 10²⁰ x 6.20 x 10¹⁸ / (435,500 x 1000)²

F= 4905.95 N

Thus, the gravitational attraction between two planets is  4905.95 N.

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Answer:

The object must be equally buoyant with the surrounding fluid

is an untrue statement - because the object could not float - it could be anywhere in the fluid

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

Wavelength, Wavespeed and frequency depends on each other in the following way :

[tex]\qquad \sf  \dashrightarrow \: frequency = \dfrac{wave \: \: velocity}{wavelength} [/tex]

[tex]\qquad \sf  \dashrightarrow \: f = \dfrac{389}{8} [/tex]

[tex]\qquad \sf  \dashrightarrow \: f \approx 48.62 \: \: hertz[/tex]

And we know the Reciprocal relationship between frequency and period ~

So, let's find it's period •

[tex] \sf{\qquad \sf  \dashrightarrow \: t = \dfrac{8}{389}} [/tex]

[tex] \sf{\qquad \sf  \dashrightarrow \: t \approx 0.02 sec } [/tex]

The statement which explains why Karyn's approach is an investigation instead because she is not attempting to change outcomes.

This is defined as the systematic study of a subject topic and involves various forms of observation.

It however doesn't involve measuring variable as the outcomes aren't changed but only recorded.

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Answer:

According to sciences, when under moderate pressure and temperature, gases tend to follow the ideal gas law.

Based on the mass of the object, and its acceleration, the time taken to reach a speed of 2.0 m/s is 4 seconds.

The time can be found as:

= Required speed / Acceletation

Accelaration is:

= Force / Mass

= (0.99iN + 0jN) / 2kg

= 0.5 ms⁻²

Time taken is:

= 2 / 0.5

= 4 seconds

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Since the force that axts on the object  is the resultant force, the time taken is 0.8 s.

Since force is a vector, it can be resolved into its components. From the complete question, the componenets of the force are;

Vertical component;

Horizontal component;

Resultant force = √(3)^2 + (4)^2 = 5N

Now;

F = ma

a = F/m

a = 5N/2. 0 kg

a = 2.5 m/s^2

Given that;

v = u + at

since u = 0 (object started from rest)

2 = 2.5 * t

t = 2/2.5 = 0.8 s

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The frequency of the signal is = 2.5 Hz

The wavelength of the sonar device = 5.9 m

The velocity of the sound = 15 m/s

The frequency = ?

But the formula for the velocity of sound wave = frequency × wavelength

Male frequency the subject of formula,

f = v/ wavelength

f = 15/5.9

f = 2.5Hz

Therefore, the frequency of the signal is = 2.5Hz

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The emf is induced in the wire will be 1.56 ×10 ⁻³ V. The induced emf is the product of the magnetic field,velocity and length of the wire.

Emf is the production of a potential difference in a coil as a result of changes in the magnetic flux passing through it.

When the flux coupling with a conductor or coil changes, electromotive Force, or EMF, is said to be induced.

The given data in the problem is;

B is the magnitude of the magnetic field,= 5.0 ×10⁻⁵ T

V(velocity)=125 M/SEC

L(length)=25 cm=0.25 m

The maximum emf is found as;

E=VBLsin90°

E=125 × 5.0 × 10⁻⁵ ×0.25

E=1.56 ×10 ⁻³ V

Hence, the emf is induced in the wire will be 1.56 ×10 ⁻³ V

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Answer:

the surface of the earth would've already turned into a very hot liquid water to even exist and there would be no existence of humans on earth

Answer:

3.51 g/mL

Explanation:

Density can be found using the equation: density = mass / volume.

In this case, mass is given in grams (g) and volume is given in milliliters (mL).

You can find the density of the diamonds by plugging the given values into the formula and simplifying.

Density = mass (g) / volume (mL)

Density = 6.21 g / 1.77 mL

Density = 3.51 g/mL

Answer:

Mechanical Waves

Explanation:

I took the practice

Carol's speed in kilometers per hour in order to get to her uncles house in 40 minutes by motorcycle is 36km/hr.

The average speed of a moving body can be calculated by dividing the distance moved by the time taken.

According to this question, the distance between Carol's house and her uncle's house is 24 km. The speed it will take her to get to her uncle's house in 40 minutes by motorcycle is as follows:

Average speed = 24km ÷ 40/60 hour

Average speed = 36km/hr

Therefore, Carol's speed in kilometers per hour in order to get to her uncles house in 40 minutes by motorcycle is 36km/hr.

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Answer:

The Local Group/ Virgo Cluster

Explanation:

Our solar system is part of a galaxy called the Milky Way galaxy. The Milky Way galaxy is part of a small cluster of just over 30 galaxies known as the "Local Group." This cluster resides in a larger cluster of galaxies called the "Virgo Cluster" (sometimes called the Virgo Supercluster). The Virgo cluster contains just about 2000 galaxies.

Answer:

[tex]F=ma \\ 14000 = 5m \\ m = \frac{14000}{5} \\ \therefore \: m = 2800 \: kg[/tex]

Answer: here are some of the places that use nuclear fusion

Commonwealth Fusion Systems (CFS)

TAE Technologies.

General Fusion (Canada)

Helion Energy.

Tokamak Energy (U.K.)

First Light (U.K.)

Explanation: nuclear fusion is a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.

At a known mass of the spaceship, the amount of energy that would be needed to accelerate the spaceship to half the speed of light is 1.5 x 10⁸  x m (J).

The amount of energy that would be needed to accelerate a large spaceship to half the speed of light is calculated as folllows;

E = mc²

where;

half the speed of light = 1.5 x 10⁸ m/s

E = 1.5 x 10⁸  x m

Thus, at a known mass of the spaceship, the amount of energy that would be needed to accelerate the spaceship to half the speed of light is 1.5 x 10⁸  x m (J).

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Answer:

91 is the missing number because an alpha particle with a charge of 2 was emitted.

The force between the two charges will be 16,000 N. It is the force exerted by one charge on another charge.

The electric force between the two charges is directly proportional to the product of the charge and inversely proportional to the square of the distance between them.

The given data in the problem is;

The magnitude of charge of sphere q₁  = +3.0 μC=-3.0×10⁻⁶ C

The magnitude of charge of sphere q₂ =  -9.0 μC=9.0×10⁻⁶ C

k is the proportionality constant = 9 × 10⁹ Nm²

r is the separated distance to be found;

The electric force is F =  0.20 mN = 0.20 ×10⁻³ N

The electric force is found as;

[tex]\rm F = \frac{K q_1q_2}{r^2} \\\\ \rm 0.20 \times 10^{-3} = \frac{9 \times 10^9 \times 3.0 \times 10^{-6}\times 3.0 \times 10^{-6} }{r^2} \\\\\ R^ 2 =4.04\times 10^{-4} \\\\ R= 0.020 \ m[/tex]

Hence, the force between the two charges will be 16,000 N.

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