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Author Question: Two identical balls are at rest and side by side at the top of a hill. You let one ball, A, start ... (Read 99 times)

Jipu 123

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on: Jul 28, 2018
Two identical balls are at rest and side by side at the top of a hill. You let one ball, A, start rolling down the hill. A little later you start the second ball, B, down the hill by giving it a shove. The second ball rolls down the hill along a line parallel to the path of the first ball and passes it. At the instant ball B passes ball A:
 a. it has the same position and the same velocity as A.
  b. it has the same position and the same acceleration as A.
  c. it has the same velocity and the same acceleration as A.
  d. it has the same displacement and the same velocity as A.
  e. it has the same position, displacement and velocity as A.

Question 2

When starting from rest at the bottom of a straight road with constant upward slope, Joan bicycles to the top 50.0 s ahead of Sally, whose travel time is 5.00 minutes. What is the ratio of Joan's acceleration to Sally's acceleration?
 a. 0.694
  b. 0.833
  c. 1.20
  d. 1.44
  e. 6.00


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lkoler

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


Jipu 123

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Reply #2 on: Jul 28, 2018
TY


lkoler

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Reply #3 on: Jul 28, 2018
You're welcome


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