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Hockey Disc Block ( 1 ) is 20 % larger than Hockey Disc Block ( 2 ) as shown in Figure 1 . Before the collision and when they are close to the The hockey dise has momentum equal to the other in magnitude and is in opposite direction , and the dist ( 2 ) has an initial velocity of 10 Find the speed of a hockey dise after a collision if half of its kinetic energy turns into internal energy duniati
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- 18 Two kids oare on those little scooters they use in gym class Une is 42.36 leg and traveling at 1.86 mis, the second is 3l6.2l kg and traveling at 3.12 m/s. They going directly at cach other,callac And bounce off If the first kid bounces back at, 880 mls and no energy is lost, what is the velocity of the second kid? Equation: 19) when putting a Ron Artest action figure, you use a force of 264.0 N Your foot is in contact With a figure for 3700sandit travels at 23.68 mls afteryou Rick it what is the mass of Mr. wond Peace ? Equation: 20) The Penguin is spinning one of those umbrellas and it has a radius of 74.65cm.. At the end of it he has a bat gadget (4.67kg) he!s trying to keep them away from Batman. Penguin is causing d centripetal fore of He 0 Ni what is the linear speed of the gadget2 Equation:Unstretched spring AL The block hanging at rest has stretched the spring by AL. Fe In the figure the equilibrium situation may be represented by the equation O % k(AL)? = mg where the symbols have their own meaning O % k. AL = mg O k- AL = mg O k- AL = % mg8. Michaela and Carlee decide to rob the school of the Presentation Night loot on roller skates. Carlee performs the robbery and throws the bag to Michaela who catches and moves off from rest. If Michaela has a mass of 58kg and the bag has a mass of 12 kg find Michaela's final speed if the bag was thrown with a speed of 10 ms-1.
- Part A and B on paperA cart of mass 300 g moving along a straight track hits a 500 g cart which I've been sitting still. after the carts hit, the 300 g cart has a speed of 1 m/s back to where it came fromc while the 500 g cart is moving forward at 3 m/s in the same direction as the 300 g cart Had been going at the beginning. how fast was a 300 g cart going before it hit the 500 g cart?COLLISION PROBLEMTwo blocks of masses 200 g and 500 g sit on a frictionless table with an essentially massless spring placed between them. They are pushed together until the energy of 3.0 J is stored in the spring. When released, the masses shoot off in opposite directions. What is the speed of the center of mass? What is the speed of the 500-g block?
- A 4-kg ball moving at 4 m/s collides with a stationary ball of the same size. Assuming the collision is completely elastic what is the velocity of the initial ball after impact.420 Granby be traveling at 30 meters per second has an inelastic collision with a 250 g block of clay that is at rest. Half of the babies kinetic energy becomes Heat. Calculate the joules of thermal energy after the CollisionTwo atoms interact with a potential energy between them that varies as a function of their separation as shown in the graph at the right. We take the zero of potential energy to be when they are very far apart and at rest. They have a total chemical energy E2 as shown on the figure. Select all of the following statements which are true. distance between atomic centers (r) E, potential energy
- Regulation tennis balls have a mass of 57.5 g. When dropped from a height of 3.33 m they must rebound to a height of 1.92 m to be acceptable for play. What is the loss in kinetic energy when these balls rebound?Write a complete scientific explanation to account for why the heavier ball caused more flour to spread out. Be sure to include the relationship between amount of mass and amount of kinetic energy in your explanation, and include a claim, evidence, and reasoning.A student uses a rubber band to shoot a 0.05kg toy car across a level floor. Imagine that no energy is transferred between the car and the floor or between the car and the air. The rubber band was stretched 0.03m. Before Toy car before it starts to move Toy car while it is moving Stretched rubber band Unstretched rubber band EPE KE ME Draw a graph below that best reflects the total energy of the system AFTER the rubber band is released? > Replay After KE GPE EPE ME ENERGY