An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 115kg ball swings from a 20-m-long wire at speed 12m/s as the wire passes the vertical orientation.
a) What tension force must the wire be able to withstand in order not to break?
b)Assume the ball stops after sinking 1.5 m into the wall. What was the average force that the ball exerted on the wall?
Answers: 3
Physics, 22.06.2019 11:30
Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
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Physics, 22.06.2019 14:00
Often called simply "velocity," this is the velocity of an object at a particular moment in time.
Answers: 1
An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a...
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