A 15.0-g rubber bullet hits a wall with a speed of 150 m/s. If the bullet bounces straight back with a speed of 120 m/s, what is the change in momentum of the bullet?
Answer to relevant QuestionsAt a county fair, two children ram each other head-on while riding on the bumper cars. Jill and her car, traveling left at 3.50 m/s, have a total mass of 325 kg. Jack and his car, traveling to the right at 2.00 m/s, have a ...Two balls approach each other as shown in Fig. 6.38, where m = 2.0 kg, v = 3.0 m/s, M = 4.0 kg, and V = 5.0 m/s. If the balls collide and stick together at the origin, (a) What are the components of the velocity v of the ...In a noninjury chain-reaction accident on a foggy freeway, car 1 (mass of 2000 kg) moving at 15.0 m/s to the right elastically collides with car 2, initially at rest. The mass of car 2 is 1500 kg. In turn, car 2 then goes on ...Apiece of uniform sheet metal measures 25 cm by 25 cm. If a circular piece with a radius of 5.0 cm is cut from the center of the sheet, where is the sheet’s center of mass now? A youth hockey player with a mass of 30.0 kg is initially moving at to the east. He intercepts and catches on the stick a puck initially moving at 35.0 m/s at an angle of θ = 60o (Fig. 6.41). Assume that the puck’s mass ...
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