Find the magnitude of the net force on the bobsled
A 80-kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 3 m starting from rest, its speed is 5 m/s. Find the magnitude of the net force on the bobsled.
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A pair of ice skaters are practicing a figure skating move on the ice. With what velocity will the second skater need to skate at so that she meets the first skater at a right angle?
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Consider an angular motion. If the displacement is given as250teθ, and the radius r is constant, please derive the expressions for the angular velocity θ=ω, angular accelerationα, linear displacements, linear velocitytv, no
A sphere of mass 2.5 x 10^-4 kg is suspended from a cord.steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 35° with the vertical. Find the magnitude of that push.
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The wire is the re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What emf and current are induced in the square coil?
Assume that your reaction time is 0.50 s and that your car brakes with constant acceleration. How far are you from the intersection when you begin to apply the brakes?
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