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at the same moment one rock is thrown upward at 45 meter per second and another thrown downward at 34 meter per second
an arrow is shot at an angle of theta45 degree above the horizontal the arrow hits a tree a horizontal distance d220
a model rocket is launched straight upward with an initial speed of 494 ms it accelerates with a constant upward
a robot probe drops a camera off the rim of a 388 meter high cliff on mars where the free-fall acceleration is 37 ms2
a skier starts from rest at the top of a hill that is inclined at 105 degree with the horizontal the hillside is 191
a 1500 kilogram wrecking ball hangs from a 20 meter long cable the ball is pulled back until the cable makes an angle
a block weighing 58 newton requires a force of 39 newton to push it along at constant velocity obtain the coefficient
a diffraction grating has 3560 linescm light that contains all wavelengths between 476 and 633 nm shines on the grating
a capillary tube with a closed end is place into water the pressure on free water surface is 1 bar suppose that the
a car traveling east at 40 ms passes trooper hiding at the road side the driver uniformly reduces his speed to 25 ms in
determine how many turns of wire would be required to make a 130-mh inductor out of a 29 centimeter long air-filled
an engine with reservoir temperatures of 387 k and 725 k operates at half the efficiency of a carnot engine if the hot
during a game of football the ball is kicked by the punter with a speed of 20 meter per second at an angle of 40o above
a fuzzy die m 02 kilogram hangs from the ceiling of a car when the car accelerates forward along a horizontal road the
a knight of the round table fires off a vat of burning pitch from his catapult at 134 ms at 40 degree above the
the force exerted by the wind on the sails of a sailboat is fsail 480 newton north the water exerts a force of fkeel
the gravitational force exerted on a baseball is 211 newton down a pitcher throws the ball horizontally with velocity
two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kilogram if they pull
a bullet of mass 05 kilogram is headed at horizontal speed 130 ms toward a block of mass 45 kilogram resting on a
two people push a stalled car at its front doors each applying a 250 newton force at 25o to the forward direction
an unchanged 1 meter cubed solid block of gold sits on an electrically insulating table on the field in the middle of a
a dockworker applies a constant horizontal force of 89 newton to a block of ice on a smooth horizontal floor the
georgia is jogging with a velocity of 4 meter per second when she accelerates at 2 ms squared for 3 s determine how
a ball is projected upward from the bottom of a tower which is 375 feet high and at the same instant another ball is