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What is the weight (in Newtons) of a 12 kg dog?
A trampoline accelerates a 50 kg jumper upward with an acceleration of 2 m/s^2.
What is the weight of the jumper?
What is the force of the trampoline on her feet while it is pushing her upward? (700N)
What is the net force acting on her (in Newtons) while she is off of the trampoline and in the air?
When the trampoline pushes her upward, which is greater:
A. The force of the trampoline pushing up on her legs
B. The force of her legs pushing down on the trampoline
When she is in the air, Earth's gravity pulls her down. What is the other force in the Newton's third law pair?
Halley's comet moves about the Sunin an elliptical orbit, with its closest approach to the Sun being0.59 A.U. and its greatest distance being 35 A.U. what is its speed when it isfarthest from the Sun
A 20 times telescope has a 12{rm cm}diameter objective lens. What minimum diameter must the eyepiece lens have to collect all light rays from an on-axis distant source.
As a laudably skeptical physics student, you want to test Coulomb\'s law, As expected, the predictions of Coulomb\'s law are well confirmed, What is the magnitude of the force
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. find the speed of the ball just before it lands
A cooling fan is turned off when it is running at 175rpm. What was the fan's angular acceleration, assumed constant
a bicyclist is traveling at a speed of 20m/s as he approaches the bottom of a hill. He decides to coast up the hill and stops upon reaching the top. determine the vertical height of the hill
The captain of an infamous ship spots an iceberg ahead. Currently the ship is travelling east at a speed of 37.0 knots. How many seconds will it take before the iceberg is directly ahead of the ship
A patient with a dislocated shoulder is put into a traction apparatus, How large should these pulls be
A meter stick is supported on a fulcrum at the 17 cm mark. A 0.70 kg object is hung from the zero end of the meter stick, What is the mass of the meter stick
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, What is the initial angular velocity of the turbine
a block is moving down a hill at rest with height of h then it go on a loop, with r=0.5, if the block can comeplete this loop. What is the least height of the hill
A man uses a tire iron to loosen his lug nuts. The tire iron is 25cm long. The man applies a force of 30N at an angle of 29° to the iron. What is the torque that is applied to the lug nut
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