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A ball is thrown vertically upward with a speed of 15.0 m/s.
A) How high does it rise?
B) How long does it take to reach its highest point?
C) How long does it take to return to its original height after it reaches its highest point?
D) What is the velocity when it returns to the level from which it started?
A person with a black belt in karate has a fist that has a mass of 0.70 kg. What is the magnitude of the average net force
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In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m
A woman on a bicycle traveling at 10m/s on a horizontal road stops pedaling as she starts up a hill inclined at 3.0 degrees to the horizontal
A mass m = 90 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 18.8 m and finally the flat straight section at the same height as the center of the loop (18.8 m off the ground). Because the mass would not..
Angry Bird is launched horizontally with a slingshot with a speed of 6.07 m/s. how far away will the target need to be
A baseball m = 0.56 kg is spun vertically on a massless string L = 0.94 m. The string can only support a tension of T = 9.4 N before it will break. What is the maximum speed at the top of the loop in m/s
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q1. a force of 20 n was used to push a box along the floor a distance of 6 m. how much work was done?q2. it
An incident ray strikes a mirror with an angle of 30 degrees to the surface of the mirror. What is the angle of the reflected ray
A 55.0kg archer, standing on frictionless ice, shoots a 90.0g arrow at a speed of 50m/s. What is the recoil speed of the archer
A simple model considers a continent as a block (density ? 2800 kg/m3), estimate the height of the continent above the surrounding mantle rock
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