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A ball starts from rest at the left end of the track shown in the figure below. The ball flies off the right end of the track and follows the parabolic trajectory shown. Suppose the right end of the track is 1.2 m above the floor and makes an angle of 35.0° with the horizontal. Also suppose the ball leaves the track with a speed of 3.8 m/s. Determine where the ball hits the floor. m
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A circus performer stands on a platform and throws an apple from a height of 38.0 m above the ground with an initial velocity v0 as shown in the figure below. A second, blindfolded performer must catch the apple. If v0 = 27.0 m/s, how far from the end of the platform should the second performer stand? (Assume θ = 30.0°.) m
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A crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the truck's flatbed is 0.370,and the coefficient of kinetic friction is 0.210.(a) The truck accelerates forward on level ground. What is the maximum acceleration the truck can have so that the crate does not slide relative to the truck'sflatbed?3.63 m/s^2 which WebAssign says is correct.(b) The truck barely exceeds this acceleration and then moves with...

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Julie has been hired to help paint the trim of a building, but she is not convinced of the safety of the apparatus. A 4.9 m plank is suspended horizontally from the top of the building by ropes attached at each end. She knows from previous experience that the ropes being used will break if the tension exceeds 1.0 kN. Her 75 kg boss dismisses Julie's worries and begins painting while standing 1.0 m from the end of the plank....
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A stiff, 15-cmcm-long tube with an inner diameter of 2.5 mmmm is attached to a small hole in the side of a tall beaker. The tube sticks out horizontally. The beaker is filled with 20∘C∘C water to a level 50 cmcm above the hole, and it is continually topped off to it maintain that level. What is the volume flow rate through the tube? The viscosity of water is 1.0×10−3Pa⋅s×10−3Pa⋅s.
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2. Electric field at (x,y) = (3.4 cm, 0).a. Determine the electric field at (x,y) = (3.4 cm, 0). Your final answer should include its magnitude and direction, shown by a vector drawing and clearly stating the angle.3. Determine the electric potential at (x,y) = (3.4 cm,0).4. Energy requirements to move a point charge with Q4 = +4.0 μC to a final location of (x,y) = (3.4 cm, 0), from an initial position infinitely far away.a. What is the change...