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Below is the solution:
<span>centripetal accel = 1.5*g
ω²r = 1.5*9.8m/s²
ω² * 8m = 14.7 m/s²
ω = 1.36 rad/s * 1rev/2πrads * 60s/min = 12.9 rpm</span>
<span>As the body rises up its gravitational potential energy increases but its kinetic energy decreases.
As a body falls its gravitational potential energy decreases but it's kinetic energy increases</span>
Longitudinal waves....
sounds propagates through moving waves of compression and ratification of a medium which allows longitudinal propagation
Acceleration is any change in speed or direction of motion.
Speed and direction together comprise 'velocity'.
