A block of mass 50kg is pushed 20m along a
A block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60N
What is the net work done on the block?
The work done on the block by the support force?
The change in kinetic energy of the block?
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what is the impact speed when a car moving at 300 kmh bumpsinto the rear of another car traveling in the same direction
the angular speed of a propeller on a boat increases with constantacceleration from 109 rads to 240 rads in 220
a ski starts from rest and slides down a 29deg incline 100 mlong use energy methodsa if the coefficient offriction is
a race driver has made a pit stop to refuel after refuelinghe leaves the pit area with an acceleration whose magnitude
a block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60nwhat is the net
an elevator is moving downward but has a constand upwardacceleration of a35ms2 at a moment when the elevator speed is
a 60kg woman balances on the heel of her right shoe whosearea is 05cm2 how much pressure does she exerton the floor how
after 107 s a spinning roulette wheel has slowed down to anangular velocity of 225 rads during this time the wheel has
at the distance of the earth from the sun the pressureexerted by sunlight is about 10-5 pa how muchforce does this
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