4. Spheres A and B are dropped at the same time from a clff. Sphere B is dropped from twice the height as sphere A. Which of the following statements is true? (a) Ball A has % the kinetic energy and takes ½ of the time to hit the ground as Ball B. (b) Ball A has 1/v2 the kinetic energy and takes 1//2 the time to hit the ground as Ball B. (c) Ball A has % the velocity and takes ½ of the time to hit the ground as Ball B. (d) Ball A has 1/V2 the velocity and takes 1/v/2 the time to hit the ground as Ball B. (e) None of these are correct.
4. Spheres A and B are dropped at the same time from a clff. Sphere B is dropped from twice the height as sphere A. Which of the following statements is true? (a) Ball A has % the kinetic energy and takes ½ of the time to hit the ground as Ball B. (b) Ball A has 1/v2 the kinetic energy and takes 1//2 the time to hit the ground as Ball B. (c) Ball A has % the velocity and takes ½ of the time to hit the ground as Ball B. (d) Ball A has 1/V2 the velocity and takes 1/v/2 the time to hit the ground as Ball B. (e) None of these are correct.
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Transcribed Image Text:4. Spheres A and B are dropped at the same time from a clff. Sphere B is dropped from twice the height as sphere A. Which of the
following statements is true?
(a) Ball A has % the kinetic energy and takes ½ of the time to hit the ground as Ball B.
(b) Ball A has 1/v2 the kinetic energy and takes 1//2 the time to hit the ground as Ball B.
(c) Ball A has % the velocity and takes ½ of the time to hit the ground as Ball B.
(d) Ball A has 1/V2 the velocity and takes 1/v/2 the time to hit the ground as Ball B.
(e) None of these are correct.
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