In the following figure we have a system composed of two blocks, with masses mA = 7.3 kg and mB = 2.92 kg, which are joined by an ideal rope that passes through an ideal pulley. The horizontal surface on which block A is located has a kinetic friction coefficient uk. The system is released from rest and block B is observed to descend with constant speed. The coefficient of kinetic friction uk is: A
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- At what initial speed should a box of mass m be thrown parallel to the surface of the inclined plane from the lower end of an inclined plane with friction making a 30 degree angle with the horizontal direction so that it can travel 3m on the inclined plane? (The kinetic coefficient of friction between the box and the surface of the inclined plane is mk = 0.02.)Blocks A, B, and C are placed as shown in the figure and connected by ropes of negligible mass through the pulleys of neglible mass and friction. Both blocks A and B have mass mA=mB= 2.5 kg each while the mass of block C is mC= 6.5kg . The coefficient of kinetic friction between blocks A and B and the surface is μk= 0.4. Initially, the system is at rest. Once released, the blocks move rightward, Find the magnitude of the acceleration of the system. Find the magnitude of the tension in the cord connecting blocks A and B. How far does block A move in the first 0.5 s (assuming it does not reach the pulley)?A block of mass m is initially at rest at the top of an inclined plane, which has a height of 4.8 m and makes an angle of θ = 27° with respect to the horizontal. After being released, it is observed to be traveling at v = 0.65 m/s a distance d after the end of the inclined plane as shown. The coefficient of kinetic friction between the block and the plane is μp = 0.1, and the coefficient of friction on the horizontal surface is μr = 0.2. a)What is the speed of the block, in meters per second, just after it leaves the inclined plane? b)Find the distance, d, in meters.
- A block of mass m is initially at rest at the highest point of an inclined plane, which has a height of 5.1 m and has an angle of θ = 16° with respect to the horizontal. After being released, it is found to be moving at v = 0.55 m/s a distance d after the end of the inclined plane as shown. The coefficient of kinetic friction between the block and the plane is μp = 0.1, and the coefficient of friction on the horizontal surface is μr = 0.2. Find the distance, d, in meters.block of mass m= 5 Kg is sent sliding up a large plane inclined at 0 = 37° while a horizontal force of magnitude 50 Newton acts on it. The coefficient of kinetic friction between the block and the plane is u= 0.3, and the coefficient of static friction is us= 0.35. g 5 The blocks initial speed is 4 m/s If the block reaches a highest point, does it remain at rest or slides back down the plane?In the figure, a block of mass m is moving along the horizontal frictionless surface with a speed of 10 m/s. If the slope is 37° and the coefficient of kinetic friction between the block and the incline is 02 how far (D) does the block travel up the incline?
- Two blocks (m1=5.2 kg, m2=3.6 kg), initially held at rest, are connected by a string that passes through a massless pulley as shown in the Figure. The block of mass m1 is given a push up the inclined plane, and released with an initial speed of v0 =11.8m/s . Take kinetic friction coefficient between the surface and blocks is µk =0.2, and θ =19.2 0. Find the maximum distance d for the block to move on the inclined plane after being released (just before coming to a stop temporarily). Take g=9.81 m/s2, and express your answer using two decimal places.A fish of mass 1kg is lying still on an inclined plane at 3o degrees above the horizontal. the magnitude of the normal force exerted by the plane on the fish is. 0N 9.8N 8.5 N 4.9NA man is skiing on a winter day, initially with a speed of 2 m/s then eventually slowing down. How much distance did he travel as he stops if the friction coefficient of the surface is 0.1? (Provide full solution of the problem).
- A skier is on a 25 degree slope and his mass is 80kg. If his constant velocity and the coefficient of kinetic friction between the ski and the snow is 9 m/s and 0.80, respectively, compute his velocity when he has skid 20m from his initial position and a drag force experienced by the skier equivalent to a magnitude of 0.6V^2.a block of mass m is initially at rest at the highest point of an inclined plane, which has a height of 6.8 m and has an angle of 0=16 degrees with respect to the horizontal. After it has been released, you perceived it to be moving at v=0.55 m/s a distance d after the end of the inclined plane as shown. The coefficient of kinetic friction between the block and the plane i sup=0.1 and the coefficient of friction on the horizontal surface its ur=0.2. a)what is the speed of the block, in meters per second, just after it leaves the inclined plane? b)Find the distance, d, in meters.A crate of mass mm is initially at rest at the peak of an inclined plane which has a height of 4.43m4.43m and makes an angle of θ=24.2 with respect to the horizontal. After it has been released, it is found to be traveling at v=0.99m/s a distance d after the end of the inclined plane, as shown. The coefficient of kinetic friction between the crate and the plane is μp=0.1, and the coefficient of friction on the horizontal surface is μr=0.2. a.-Find the distance, d, in meters.