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Question: What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8o with respect to the horizontal?
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Determine the net charge contained within the cube.
A flywheel of mass 185 kg has an effective radius of 0.60 m (assume the mass is concentrated along a circumference located at the effective radius of the flywheel). (a) How much work is done to bring this wheel from rest to a speed of 120 rpm in a..
A young boy with a broken leg is undergoing traction. What is the magnitude of the force exerted on the femur by the lower leg
Back in his youth, Skid was a clown in the circus. His job was to be shot out of a canon at ground level. What is Skid's velocity at the highest point in his trajectory
A line of charge with uniform density of 40.0 nC/m lies along the line y = -15.0 cm, between the points with coordinates x = 0 and x = 32.0 cm. Find the electric field it creates at the origin
A large wooden turntable in the shape of a flat disk has aradius of 2.00m and a total mass of 120kg. Find the angular speed of the turntable after the parachutist lands
In the ammonia (NH3) molecule of Figure 9-39, three hydrogen (H) atoms form an equilateral triangle, with the center of the triangle at distance d = 9.40 ×10-11 m from each hydrogen atom. The nitrogen (N)atom is at the apex of a pyramid, with the t..
250.0 gram industrial mold absorbs 5,575 calories of heat when it is filled with an alloy. If the specific heat of the mold is 0.275 calories per gram degree Celsius, explain by how much does its temperature rise?
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.15Tin 1.0 x 103 s, What is the area of the loop
A long wire stretches along the X axis and carriesa3.4 Amp current to the right (+X). Find the x-component of the force on the wire per cm of length
A basketball player grabbing a rebound jumps 70.80 cm perpendicularly. How much total time (ascent and descent) does the player spend (a) in the top 11.2 cm of this jump and (b) in the bottom 11.20 cm? Do your results describe why such players see..
A 600 grams model rocket is on a cart that is rolling to the right at a speed of 3 meter per second. Find at what horizontal distance left of the loop should you launch
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