A mine cart has a mass of 100 kg and is moving with a velocity of 4 m/s. A 200 kg rock is dropped into the cart. What is the final velocity of the mine cart with the rock? m2 = 200 kg m, m, = 100 kg V1 = 4 m/s
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A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
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- A 2.00 1O3-kg car moving cast at 10.0 m/s collides with a 3.00 103-kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 40.0 north of east and a speed of 5.22 m/s. Find the speed and direction of the 3.00 103-kg car before the collision.The electron mass is 9 x 10-31 kg. What is the momentum of an electron traveling at a velocity of (0, 0, -2.4 x 108) m/s? kg. m/s D = What is the magnitude of the momentum of the electron? D = X kg. m/s Additional Materials eBookBall #1 mass= 1.0 kg Ball #2 1 velocity = 1.7 m/s K 2 mass= 1.5 kg velocity = 0.0 m/s What is the velocity of Ball #1 after the collision? Give your answer in m/s to 2 significant figures (two decimal places in this case).
- Your mass is 77.1 kg, and the sled s mass is 22.3 kg. The sled is moving by itself on the ice at 4.72 m/s. You parachute vertically down onto the sled, and land gently. What is the sled s velocity with you now on it? 1.38 m/s 1.22 m/s 1.06 m/s 0.53 m/sA 191.5-kg astronaut and equipment move with a velocity of 2.03 m/s toward an orbiting spacecraft. How long will the astronaut need to fire a 100.0-N rocket backpack to stop the motion relative to the spacecraft? %3D3. A 55 kg skater at rest on a frictionless rink throws a 3 kg ball, giving the ball a velocity of 8 m/s. What is the velocity of the skater immediately after? m = m = vo = vo = vf = vf =
- A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and its speed is 325 m/s. If the gun's mass is 2.2 kg, what is its speed (in m/s)? m/sA century old platter falls vertically downward. Upon breaking its fragments fly off parallel to the ground with velocity 1 = 1.9 m/s and V2 = 3.7 m/s. Find the mass m1 and m2 in kg. a. m1 = 1.5806 ; m2 = 0.2911 b. m1 = 0.4851 ; m2 = 1.5806 c. m1 = 1.5806 ; m2 = 0.4851 d. m1 = 0.7903 ; m2 = 0.3881An 8 g bullet is fired horizontally into a stationary 9 kg block of wood and STICKS IN it. The block, which is free to move, has a velocity of 40 cm/s after impact. Find the initial velocity of the bullet. (Take note of the consistency of units). a. 250 m/s b. 450 m/s c. 450 cm/s d. 375 m/s
- A 128 kg astronaut and his equipment are initially at rest. To move forward with a velocity of 2.34 m/s, the astronaut fires a 532 N rocket in the backward direction. How long does the astronaut need to fire the rocket?ent ENT Student Answers Page of 5 D. The collision of the egg and the cloth sheet had a longer duration and lower force. A 14 kg-m/s B. 50 kg-m/s 70 kg m/s 140 kgm/s 9. A 5-kilogram ball falls 10 meters. What is the change in momentum of the ball during the fall? C. ► 3 D.5. What is the momentum (as a function of time) of a 5.0-kg particle moving with a velocity (v¯ (t) = 2.0i + 4.0tj) m/s? What is the net force acting on this particle?