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Q: A 1,769 kg automobile is moving at a maximum speed of 47 m/s on a level circular track of radius 275…
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- A 1,769 kg automobile is moving at a maximum speed of 47 m/s on a level circular track of radius 275 m. What is the coefficient of friction?Given a drag coefficient of 0.42 kg/sec, the magnitude of the drag force (N) on a projectile moving with a speed of 8 m/s isA 160 kg golf cart is traveling at 25 m/sec on a level surface with a coefficient of kinetic friction equal to 0.5. What is the kinetic friction force, if the brakes are locked?
- A hockey puck slides with an initial speed of 11 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.030, what is the speed of the puck after 14 s?An 85.0 kg man was walking 2.40 m/s before starting to slide down a ravine. Would he be able to stop before the edge if the coefficient of kinetic friction between his body and the ground is 0.750?An airplane of 5,000kg, traveling at 30m/s West slows down to stop in 450 m. What is the magnitude and direction of the net force acting on the jeepney if the frictional force on the tire is 350N?
- A firefighter who weighs 150 lb slides down an infinitely long fire pole that exerts a frictional resistiveforce with magnitude proportional to her speed, with k-2.1 lb-s/ft. Assuming that she starts from rest, findher velocity as a function of time and find her terminal velocity. Don't forget to use the gravitationalconstant that comes from pounds.v(t) =Terminal Velocity =An object of mass 50kg is pushed in the +x direction with a force of 40N flat along a horizontal surface causing a net acceleration of 0.15m/s2 in the +x direction. What is the coefficient of kinetic friction between the surface and the object?A 100kg block slides on the floor with an initial speed of 6.4 m/s. Ifthe coefficient of kinetic friction between the block and the floor is 0.46,what is the player’s acceleration? How far did he slide?
- An object with a mass m slides down a rough 25° inclined plane where the coefficient of kinetic friction is 0.20. What is the acceleration of the object?A 6.7 kg mass is released from rets while on an incline of 53.96 degrees. If the coefficient of kinetic friction is 0.478 what is the magnitude of the acceleration of the mass?A 118 kg box sits on a flat surface where it has a static friction coefficient of us = 0.524 anda kinetic friction coefficient of Mx = 0.318. What is the minimum horizontal force that a worker mustapply in order to get the box to begin moving?