Homework Clinic
Science Clinic => Physics => Topic started by: mynx on Jul 29, 2018
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A rock dropped from a 5-m height accelerates at 10 m/s2 and strikes the ground 1 s later. If the rock is dropped from a height of 2.5 m, its acceleration of fall is
A) half.
B) the same.
C) twice.
D) four times as much.
Question 2
A ball starting from rest at the top of an inclined plane accelerates at 2 m/s2 and reaches the bottom of the plane in 3 seconds. What is the length of the plane?
A) 2 m
B) 3 m
C) 5 m
D) 9 m
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Answer to Question 1
Answer: B
Answer to Question 2
Answer: D
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Thanks
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