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A: Given: θ=40°μslope = 0.30h=6.0 mμhori.=0.45
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A: Given Data Force is F = 116 N Mass is m=6.8 kg
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A: a=v2-u22d=0 m/s2-76 m/s221.6km103 m1 km=-1.81 m/s2
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A car goes down a 100 incline with a coefficient of friction of 0.3 for 2m. What is it’s final velocity?
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- A dog with a mass of 57.0 kg slides down a wet slope with negligible friction. The dog starts from rest and has a speed of 3.90 m/s at the bottom. What is the height of the slope (in m)?A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag as it falls. The rock has a mass of 3.6 kg and the cliff is 55 m tall. If it is going 22 m/s when it hits the ground, what was the average force of air resistance? Express your answer to two significant figures and include the appropriate units.A wagon with its passenger sits at the top of a hill. A strong wind suddenly rolls the wagon 188m down a 28 degree incline to the bottom of the hill. What is the wagons speed in m/s? Assume friction is negligible.
- A child of mass 26 kg , is sliding down a water-slide that has an angle of 32 deg. If the water lubricates the slide to a frictionless surface, and the slide is 9 meters long. What is the child's velocity at the bottom?Two horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road has a value of 375 N. Assuming the cart is 200kg, what is the acceleration of it?The road is flat and the horses are traveling in a straight path.The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed of the object is 27 m/s, what distance will it slide before coming to a stop?
- A 400 N weight starts down a 30 degrees incline with an initial velocity of 4m/sec. What is the velocity of the weight after 10 second if coefficient of friction is 0.20 for the incline?A 5 kg block is given an initial velocity of 10 m/s. If there is a friction force of 13 N opposing the motion of the block, how far will the block move before coming to a rest?A toy car has a friction coefficient of 0.03. On a 30 degree incline starting from rest, what distance will the toy car have covered after 5 seconds?
- You push a box (mass 3 kg) so that its initial speed is 2.2 m/s. It slides across a rough floor (coefficient of kinetic friction 0.48). How far will it slide before it stops? Give your answer in m and report your answer to 2 decimal places.An 80 kg skier sliding across a flat smooth ice surface at 20 m/s reaches a flat muddy surface with a coefficient friction of 1.2. How far does she travel before stoppingA 5,0 kg block starts sliding from rest, at a height of 1,0 m on a slope of 15º, without friction. After it leaves the slope it slides over a horizontal table top where the coefficient of kinetic friction is 0,25. Calculate the total distance that the block covers from when it starts sliding to when it stops.