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Physics / Physics: Principles with Applications 7 / Chapter 2 / Problem 5MCQ

Physics: Principles with Applications | 7th Edition | ISBN: 9780321625922 | Authors: Douglas C. Giancoli

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You drop a rock off a bridge. When the rock has fallen 4m,

Chapter 2, Problem 5MCQ

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QUESTION:

You drop a rock off a bridge. When the rock has fallen 4m, you drop a second rock. As the two rocks continue to fall, what happens to their velocities?

(a) Both increase at the same rate.

(b) The velocity of the first rock increases faster than the velocity of the second.

(c) The velocity of the second rock increases faster than the velocity of the first.

(d) Both velocities stay constant.

Questions & Answers

QUESTION:

You drop a rock off a bridge. When the rock has fallen 4m, you drop a second rock. As the two rocks continue to fall, what happens to their velocities?

(a) Both increase at the same rate.

(b) The velocity of the first rock increases faster than the velocity of the second.

(c) The velocity of the second rock increases faster than the velocity of the first.

(d) Both velocities stay constant.

ANSWER:

Step 1 of 2

When we drop something from a height, it is influenced by the gravitational pull. Hence the objects are experiencing acceleration due to gravity.

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