angular velocity=w= 85r/min*1min/60sec*2PIrad/rev
= 85*2PI/60
speed=angularvelocty*radius
tension= mass*w^2*r
A 300 g block on a 54.0 cm -long string swings in a circle on a horizontal, frictionless table at 85.0 rpm .
What is the speed of the block?
Express your answer with the appropriate units.
What is the tension in the string?
Express your answer with the appropriate units.
1 answer
1 answer