. Two blocks of masses 8 kg and 4.3 kg are placed on a horizontal, frictionless surface A light spring is attached to one of them, and the blocks are pushed together with th soring between them. A cord holding them together is burned, after which the block of mass 4.3 kg moves to the right with a speed of 19 m/s. What is the velocity of the other mass in m/s?
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- Can you help me with this physics problem? A 0.35 kg projectile is moving in the negative y direction at a speed of 55 m/s. It collides and embeds in a 7.2 kg mass moving in the positive x direction with a speed of 5.1 m/s. What is the final velocity of the two masses? What fraction of energy was lost in this collision using Kinetic energy with this formula (Ki-Kf)/KiTrain cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, the first having a mass of 140,000 kg and a velocity of 0.300 m/s, and the second having a mass of 95,000 kg and a velocity of −0.120 m/s. (The minus indicates direction of motion.) What is their final velocity (in m/s)?A 2 kg block is moving at v= 3 m/s along a frictionless table and collides with a second 2 kg block that is initially at rest. After the collision, the two blocks stick together and then slide up a 45∘frictionless inclined plane a)Calculate the maximum distance LL that the two blocks travel up the incline.
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- You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 79.0 kg, and the mass of the sled when empty is 18.6 kg. From shore, someone throws a baseball of mass 0.136 kg to you, and you catch it; the horizontal component of the ball s velocity is 25.0 m/s. What will be the sled s (and your) speed with respect to the surface of the pond after you catch the ball? 4.30 cm/s 18.1 cm/s 2.09 cm/s 3.48 cm/sTrain cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, the first having a mass of 180,000 kg and a velocity of 0.300 m/s,and the second having a mass of 95,000 kg and a velocity of −0.120 m/s. (The minus indicates direction of motion.) What is their final velocity (in m/s)? m/sA rigid ball of mass m and velocity u undergoes an inelastic collision with another rigid ball of mass m and velocity -u. After the collision, the balls stick together. Find the mass of the composite object after the collision. What must |u| be for the composite object mass to be 3m?