1)A record turntable rotating at 34 rev/min slows down and stops in 30s after the motor is turned off
a)Find its(constant) angular acceleration in revolution per minute-squared
b)How many revolutions does it make in this time?
2)A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 30.0^(o).It momentarily stops when it has rolled 1.0m along the ramp. What was its initial speed?
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