Riders on a ferris wheel move in a circle with a speed of 4.0 m/s. As they go around, they experience a centripetal acceleration of 2.0 m/s^2 . What is the diameter of this particular ferris wheel?
A. 4.0 m
B. 6.o m
C. 8.0 m
D. 16 m
E. 24 m
Ans: C. 8.0 m
Physics & Space Science
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A copper ball with a diameter of 5.00 cm is subjected to a pressure of 
The bulk modulus for copper is 
What is the change in the volume?
A. 
B. 
C. 
D. 
E. 
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Three cars, car X, car Y, and car Z, begin accelerating from rest, at the same time. Car X is more massive than car Y, which is more massive than car Z. The net force exerted on each car is identical
After 10 seconds, which car has the most amount of momentum? A) They all have the same amount of momentum B) Car X C) Car Y D) Car Z
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Work
a)can be measured in watts. b)has the units of force x time. c)is a vector quantity. d)has the units of N-m.
Physics & Space Science