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louis aaaa
Questions (22)
A 27-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic
1 answer
962 views
A rocket is fired at a speed of 54.0 m/s from ground level, at an angle of 63.0 ° above the horizontal. The rocket is fired
1 answer
734 views
An eagle is flying horizontally at 6.8 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes
1 answer
1,459 views
A major-league pitcher can throw a ball in excess of 37.8 m/s. If a ball is thrown horizontally at this speed, how much will it
1 answer
1,004 views
A fire hose ejects a stream of water at an angle of 32.2 ° above the horizontal. The water leaves the nozzle with a speed of
1 answer
827 views
A space vehicle is coasting at a constant velocity of 24.9 m/s in the +y direction relative to a space station. The pilot of the
0 answers
464 views
A golfer hits a shot to a green that is elevated 2.60 m above the point where the ball is struck. The ball leaves the club at a
1 answer
529 views
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's
2 answers
1,387 views
A volleyball is spiked so that it has an initial velocity of 12.0 m/s directed downward at an angle of 53.2 ° below the
1 answer
514 views
A volleyball is spiked so that it has an initial velocity of 12.0 m/s directed downward at an angle of 53.2 ° below the
1 answer
904 views
A skateboarder, starting from rest, rolls down a 13.4-m ramp. When she arrives at the bottom of the ramp her speed is 6.14 m/s.
1 answer
736 views
In diving to a depth of 558 m, an elephant seal also moves 925 m due east of his starting point. What is the magnitude of the
1 answer
546 views
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0771 s, during which
1 answer
614 views
A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
1 answer
1,227 views
A police car is traveling at a velocity of 15.0 m/s due north, when a car zooms by at a constant velocity of 44.0 m/s due north.
1 answer
560 views
A cement block accidentally falls from rest from the ledge of a 51.5 -m-high building. When the block is 12.9 m above the
1 answer
2,851 views
A cement block accidentally falls from rest from the ledge of a 51.5 -m-high building. When the block is 12.9 m above the
1 answer
549 views
A pellet gun is fired straight downward from the edge of a cliff that is 27.1 m above the ground. The pellet strikes the ground
1 answer
668 views
A hot-air balloon is rising upward with a constant speed of 2.00 m/s. When the balloon is 3.37 m above the ground, the
1 answer
494 views
An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up
1 answer
824 views
A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 14 m/s. Assuming air
0 answers
491 views
A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
1 answer
843 views
