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Q1. Starting from rest, a(n)13 kg block slides13.3 m down a frictionless ramp (inclined at 30? from the ?oor) to the bottom. The block then slides an additional 26.3 m along the ?oor before coming to stop.
The acceleration of gravity is 9.8 m/s.
Find speed of the block at the bottom of the ramp.
Answer in units of m/s
Q2. What is tangential acceleration of a bug on the rim of a 78 rpm record of diameter 7.41 in. if the record moves from rest to its final angular speed in 4 s? The conversion between inches and meters is 0.0254 m/in.
Answer in units of m/s2
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