A ring and a disk both at rest roll down a hill together. Which rolls slower?
A) ring
B) disk
C) depends on the masses
D) both roll at the same speed
E) need more information
Answer: A
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A 4.0 kg mass has a velocity of 12 m/s to the WEST. The 4.0 kg mass undergoes an acceleration of 2.0 to the WEST for 3.0 sec. What is the velocity of the 4.0 kg mass at the end of the 3.0 sec interval?
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In an energy level transition from the n = 2 state to the n =1 state for a hydrogen atom a photon will be emitted
Indicate whether the statement is true or false