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D Question 4 1 pts Inelastic Collisions obey which conservation laws? Select any that apply. Conservation of Momentum Conservation of Kinetic Energy Neither D Question
D Question 4 1 pts Inelastic Collisions obey which conservation laws? Select any that apply. Conservation of Momentum Conservation of Kinetic Energy Neither D Question 5 3 pts A 1,467 kilogram car is driving down a highway. The driver suddenly realizes a large animal is standing stationary on the highway in the way of the car. The driver manages to release their foot off the accelerator peddle, but does not have time to hit the brake peddle. The car travelling at 116 kilometers per hour strikes the animal which gets stuck to the car hood. Immediately after the collision the car slows to 78 kilometers per hour. Given this information, accident investigators are able to determine the mass of the animal as what? Your answer should be a value in kilograms to zero decimal place precision (whole numbers only).D Question 6 2 pts Two rubber bullets (each of the same mass) are fired at the same velocity towards two different blocks of equal mass. One block is made of clay and the bullet gets stuck in it, the clay block + bullet begins to move in the direction the bullet was fired. The other block is made of aluminum and the bullet bounces off the block (the bullet moves opposite its original direction of motion), the aluminum block also begins to move in the direction the bullet was fired. Which block (clay or aluminum) will move with greater velocity after being struck by the bullet? O neither block moves O both blocks will have same velocity O the clay block has the greater velocity O not enough information O the aluminum block has the greater velocity D Question 7 1 pts Total Momentum before and after a collision is conserved under what conditions? Select any that apply. No net external force acts on any objects in the system. O Objects in the system only experience accelerations from collisions (there are no accelerations from other sources). Momentum is only conserved for elastic collisions. Momentum is always conserved. There are no conditions required. O The net velocity of all objects is the same before and after the collision. O Momentum is only conserved for inelastic collisions
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