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vlada-n [284]
3 years ago
7

What happens when a force exerted on an object cause the object to move?

Physics
2 answers:
Charra [1.4K]3 years ago
5 0

Answer:

B. Kinetic energy is created

Explanation:

sergey [27]3 years ago
3 0
The answer is B kinetic energy is created
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Whitepunk [10]
B; to produce a hypothesis.

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Consider two parallel wires carrying current in the same direction. Which one of the following statements is true concerning thi
Sedbober [7]

Answer:A the two wire will attract each other

Explanation:

When current is flowing in a wire it is surrounded by magnetic field whose direction can be given by right hand thumb rule.

If current is in direction of your thumb then wrapping of fingers will give the direction of magnetic field.

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force on second wire due to first wire is

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4 years ago
A book falls off a shelf that and hits the ground at 10.0 m/s. How far did it fall?
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Answer:

Explanation:

14 m/s

Explanation:

The motion of the book is a free fall motion, so it is an uniformly accelerated motion with constant acceleration g=9.8 m/s^2 towards the ground. Therefore we can find the final velocity by using the equation:

where

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g = 9.8 m/s^2 is the acceleration

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Substituting data, we find

8 0
3 years ago
What causes light rays to bend ina new medium
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When light rays<span> enter a </span>new medium<span> at an angle, the change in speed </span>causes<span> them to </span>bend<span> and change direction. ... They change the speed </span>causes<span> the </span>ray to bend<span> or change direction. When </span>light<span> slows down even more when it passes from water into glass.</span>
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3 years ago
Falling objects drop with an average acceleration of 9.8 m/s2. An arrow is shot with a velocity of 11.76 m/s straight down from
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Parameters given:

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v = u + gt

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The sign is positive because the arrow is moving downward, in the same direction as gravitational force.

Therefore:

49 = 11.76 + 9.8*t\\\\\\\49 - 11.76 = 9.8t\\\\=> 9.8t = 37.24\\\\\\t = \frac{37.24}{9.8} \\\\\\t = 3.8 secs

The arrow was in flight for 3.8 secs

6 0
4 years ago
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