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A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. It takes a force of 15 N to stretch either one of these bands 1.0 cm.
(a) What is the potential energy stored in the two bands together when a 42-g stone is placed in the cup and pulled back 0.25 m from the equilibrium position?
(b) With what speed does the stone leave the slingshot?
Capacitors C1 = 5.60 µF and C2 = 2.45 µF are charged as a parallel combination across a 250 V battery, Calculate the resulting charge on each capacitor
What is weight of the parachutist
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A 1650-kg car is travelling at 31.2 m/s. How fast must a 91.0-kg bicycle and rider be travelling to have the similar kinetic energy as the car.
An airplane accelerates down a runway at 3.20 m/s2, finally lifts off the ground Determine the distance traveled before takeoff?
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