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Marrrta [24]
3 years ago
10

The energy of motion ?

Physics
2 answers:
skelet666 [1.2K]3 years ago
5 0

Answer: Kinetic Energy

Explanation:

professor190 [17]3 years ago
4 0

Answer:

The energy of motion is called is kinetic energy.

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The distance between two particles is 2 centimeters. If the distance is increased to 4 centimeters, the force will be ?
postnew [5]

Answer:

The new force is 1/4 of the previous force.

Explanation:

Given

Initial\ Distance = 2cm ---- r_1

New\ Distance = 4cm --- r_2

Required

Determine the new force

Let the two particles be q1 and q2.

The initial force F1 is:

F_1 = \frac{kq_1q_2}{r_1^2} --- Coulomb's law

Substitute 2 for r1

F_1 = \frac{kq_1q_2}{2^2}

F_1 = \frac{kq_1q_2}{4}

The new force (F2) is

F_2 = \frac{kq_1q_2}{r_2^2}

Substitute 4 for r2

F_2 = \frac{kq_1q_2}{4^2}

F_2 = \frac{kq_1q_2}{4*4}

F_2 = \frac{1}{4}*\frac{kq_1q_2}{4}

Substitute F_1 = \frac{kq_1q_2}{4}

F_2 = \frac{1}{4}*F_1

F_2 = \frac{F_1}{4}

The new force is 1/4 of the previous force.

3 0
3 years ago
A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? What all applys
jeyben [28]
For water, as the temperature goes up the density of the liquid water decreases therefore it becomes less dense so it tends to rise upward. And since the temperature here is higher, heat flows from the higher temperature to the lower so it releases energy to the environment. Therefore, the correct statements are 2, 3 and 5.
5 0
3 years ago
Read 2 more answers
A spaceship is moving past us at a speed close to the speed of light. how would we view time (clocks) on the spaceship as it goe
SVEN [57.7K]

The clocks on the spaceship move more slowly than ours do.

<h3>What use does a spaceship serve?</h3>

A spaceship is a machine or vehicle built to travel through space.

Spacecraft are a form of artificial satellite used for a wide range of tasks, such as communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and cargo and person transfer.

<h3>What is a spaceship used for?</h3>

A launch vehicle from Earth can launch a spaceship, which is made to go in space.

In order to complete a mission—with or without people—and then return to Earth, it may carry a payload. building up.

<h3>How many spacecraft have traveled there?</h3>

Since humankind first started exploring beyond Earth's atmosphere in 1958, more than 250 robotic spacecraft—and 24 humans—have traveled into space.

learn more about time on spaceship here

<u>brainly.com/question/15992164</u>

#SPJ4

8 0
2 years ago
Four metals were kept in contact with each other. The table below shows the initial temperature of the metals.
disa [49]

Answer:

metal B

temperature flow from high region to low . metal B has more temperature than others

5 0
2 years ago
It took 3.5 hours for a train to travel the distance between two cities at a velocity of 120mi/h. How many miles lie between the
erma4kov [3.2K]

Answer:

420 miles

Explanation:

3.5 * 120 mi/h = 420 miles

3 0
3 years ago
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