he 65-kg crate rests on a horizontal platform for which the coefficient of kinetic friction is µk = 0.28. the crate is subjected to a 500-N towing force.Determine the velocity of the crate in 3s starting from rest and the weight of the crate?

The 2.5kg collar shown has a coefficient of kinetic friction of 0.225 with the shaft. The spring is unstretched when s = 0 and the collar is given an initial velocity of Vo = 16.8m/s. The unstretched length of the spring is d = 1.1m and the spring constant is k = 14.6N/m. What is the speed of the collar after it has moved 5.75m

The 10-lb block has a speed of 4 ft/s when the force of F=(8t2) lb is applied. The coefficient of kinetic friction at the surface is μs = 0.2

Assume that a driver (car modeled as a point mass) is negotiating a circular turn with a radius of 160 ft. The car and driver have a mass of 3800 lb and the coefficient of friction between the car and road is µ1 = 0.85. What is the maximum constant speed for which the car can travel at the given radius? r= 160 ft

The crate, which has a mass of 245 kg is subjected to the action of the two forces. If it is originally at rest determine the distance it slides in order to attain a speed of 12 m/s. The coefficient of kinetic friction between the crate and the surface is 0.18 800 N 30° 4 1000 N

The 81-kg crate is subjected to the forces shown. If it is originally at rest, determine the distance it slides in order to attain a speed of v = 8 m/s. The coefficient of kinetic friction between the crate and the surface is uk = 0.27. Forces with respect to 45° and 30° are 611 N and 398 N, respectively

The coefficient of kinetic friction between the m = 10.4 kg crate and the plane is u = 0.3. Initially, the crate is at the position 1 on the horizontal plane with a velocity v, = 14.8 m/s. The crate moves a distance D = 4 m before going upward on the incline plane that has an angle with the horizontal of e = 35 degrees. The initial state and the state at the bottom of the incline plane are at h = 0 m. Determine the distance L the crate will travel upward where it will be at rest. g = 9.81 m/s?. h Position 1 13.626 m O 12.161 m O 15.091 m O 10.052 m

Block A has a mass of 10 kg and bloc B has a mass of 2 Kg and are kept at rest. The 2 blocs are comected by a cord passing by a wheel at the top of the incline. The surface of the incline has a friction coefficient -0.12. The angle of the incline is 0= 30°. A is at 6 meters above the incline floor. After being released from rest, the bloc A will move down. Determine the total energy of the bloc A after it has moved down the incline by 4 meters.. Calculate its velocity. 6 m B

The 10-lb block has a speed of 4 ft/s when the force of F = (8t²) lb is applied. The coefficient of kinetic friction at the surface is μ = 0.2. (Figure 1) Figure F = (81²) lb v = 4 ft/s 1 of 1 > Part A Determine the speed of the block when it moves s = 30 ft. Express your answer to three significant figures and include the appropriate units. V = Submit 0 O μA Value Provide Feedback Request Answer Units ? Next >

Determine the speed v which the 690-kg four-man bobsled must have in order to negotiate the turn without reliance on friction. Also find the net normal force N exerted on the bobsled by the track. 23° Answers: V= i N = i -p=58 m m/s kN