A ball of mass 2.5 kg swings on the end of a 70 cm long string and collides with a 1.5 kg block as shown. Assume that the collision is perfectly elastic. a)What is the speed of the block immediately after the collision? b)How high does the ball rise after the collision?
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- In the figure below, a 3.1 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.8 kg box of ballet slippers initially at rest on the edge of the table, at height = 0.40 m. The speed of the 3.1 kg box is 5.0 m/s just h before the collision. If the two boxes stick together because of packing tape on their sides, what is their kinetic energy just before they strike the floor? ។ hoh railroad diesel engine coasting at 2.8 m/s runs into a stationary flat car. The diesel is four times more massive than the 1000kg flat car. Assuming the car is couple together how fast are they moving after the collision. Note: A Coupler holds railroad cars together so they move as one.Ball A, with a mass of 2kg, is thrown at a speed of 4 m/s to a suspended ball of 20kg mass, which is standing still. If the coefficient of return between the ball and the block is e=0.8, what is the maximum height H when the block momentarily stops during the collision?
- Two balls of mass m and M are attached by strings of length L. The two balls are initially at rest at an angle θ, and are then released. The balls undergo a totally inelastic collision at the bottom of their swings. Assume that m = 1.7kg, M = 2.8kg, L = 0.80m and θ = 67o.a) Calculate the speed of the balls immediately after the totally inelastic collision.b) To what maximum angle do the conjoined balls rise after the collision?Hi, con you help me with this problem please? A mass M is released from a height H, it strikes a a mass m = 1.5M. If the impact is perfectly inelastic, find the maximum height the system gets and the energy loss in the collision. ThanksA block of mass mm = 16 kgkg has a speed VV and is behind a block of mass MM = 65 kgkg that has a speed of 0.5 m/sm/s. The surface is frictionless. The blocks collide and couple. After the collision, the blocks have a common speed of 0.9 m/sm/s. In the figure, the loss of kinetic energy of the blocks due to the collision is closest to: 7.7 J 25 J 26 J 9.3 J 76 J
- A ball of mass m, moving with initial speed v, strikes a second ball of mass 2m, initially at rest. The balls stick together upon collision. How much kinetic energy is lost in the collision? Select one O a zero Ob (1/2) my Ⓒc (2/3) mw² Od (1/3) mv Ⓒe (1/8) my Next pageSammy with a mass of 20 kg and his mother the mass of 40 kg are at rest 10 m apart. The father of mass 80 kg slides along the path at 15 m/s. He collides with the mother and she bounces ahead to collide with Sammy. If all collisions are perfectly elastic and one dimensional and there is no friction on the straight and level path, calculate the speed of SammyA ball of mass 500 g swings on the end of a 70 cm long string and collides with a 2.5 kg block as shown. Assume that the collision is perfectly elastic. a) What is the speed of the block immediately after the collision? b) How high does the ball rise after the collision?
- A metal ball with speed v and mass m collides head-on with another ball which was initially at rest but has twice the mass. If the energy lost in this process is mv2/3, what type of collision occurred? completely inelastic O partially elastic Operfectly elastic Oinelastic Onone among the choices KA 2 kg object moving at 3 m/s collides with a 4 kg object that is stationary. If the collision is perfectly inelastic, what is the speed of the 2 kg object after the collision? and how much is KE lost? A) speed = 1.5 m/s and KE lost = 12J B) speed = -0.5 m/s and KE lost = 9J No answer speed = -1 m/s and KE lost = 3J E) speed = 1 m/s and KE lost = 6J %3D