A 0.060-kg tennis ball, moving with a speed of 5.12 m/s, has a head-on collision with a 0.090-kg ball initially moving in the same direction. at a speed of 3.28 m/s. Assume that the collision is perfectly elastic. ▾ Part A Determine the speed of the 0.060-kg ball after the collision Express your answer to two significant figures and include the appropriate units. Uj Submit Value Request Answer Units ?
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- Y Part A A 30-06 rifle is said to have quite a kick (recoil). An "explosion" of 3600 ft-lb occurs inside the 8-lb rifle firing a 180-grain bullet. Determine the speed of the bullet. 195] ΑΣΦ. 11 Submit Dart D vec Request Answer GWO ? ft/sA 75.0 kg ice skater moving at 8.50 m/s crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 4.25 m/s. If the impact time is 0.140 s, what are the magnitudes of the average forces experienced by each skater during the collision? Force experienced by moving skater Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. N Force experienced by stationary skater Suppose the average force a skater can experience without breaking a bone is 4500 N. Does a bone break? Yes NoProblem 9.34 A0.060-kg tennis ball, moving with a speed of 5.8 m/s , has a head-on collision with a 9.5x10-2-kg ball initially moving in the same direction at a speed of 2.7 m/s. Part A Assuming a perfectly elastic collision, determine the speed of each ball after the collision. Enter your answers numerically separated by a comma. Express your answers using two significant figures. Hνα ΑΣφ ? m/s 'tennis ball Vhall= Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B Determine the direction of tennis ball after the collision. The tennis ball moves in the direction of its initial motion. The tennis ball moves in opposite direction. Subm Previous Answers v Correct Part C МacВook Pro
- If momentum is conserved in a collision, does this indicate conclusively that the collision is elastic? Explain. A.Yes, momentum is conserved only in an elastic collision. B. No, momentum is conserved only in inelastic collisions. C No, momentum is conserved in all collisions, elastic or inelastic.A 3.4 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed of 480 m/s, goes completely through the block, emerging at a speed of 250 m/s. Part A What is the speed of the block immediately after the bullet exits? Express your answer with the appropriate units. V= Value Submit μA Provide Feedback Request Answer Units ? 208Part A (Figure 1)is an incomplete momentum bar chart for a collision that lasts 11 ms What are the magnitude and direction of the average collision force exerted on the object? Assume that the object is initially moving to the right. You may want to review (Pages 262 - 266) . Express your answer to two significant figures and include the appropriate units. Enter positive value if the force is directed to the right and negative value if the force is directed to the left. Figure 1 of 1 kg m/s 6. 4 2 -2 Pix + J, = Pir
- Two asteroids strike head-on: before the collision, asteroid A(mA= 8.0×1012 kg) has velocity 3.3km/s and asteroid B (mB= 1.34×1013kg) has velocity 1.4 km/sin the opposite direction. Part A If the asteroids stick together, what is the magnitude of the velocity of the new asteroid after the collision? Express your answer to two significant figures and include the appropriate units.A0.02-kg bullet is fired into a stationary block of wood af mass of 4,76 kg. The relative speed of the bullet with respect to the wood is zero after collision (The bullet becomes embedded in the block of wood). What is the speed of the bullet-plus-wood cambination immediately after collision it the speed of the bullet before collision is 467 m/s? Express your answer in two decimal places and with units of m/s.I don't understand how my professor simplified this equation. Can you break it down for me in detail, showing each step and then explaining why you did what you did?
- Please asapA 90 kg halfback running north with a speed of 10 m/s is tackled by a 120 kg opponent running south at 4 m/s. The collision is perfectly inelastic. Compute the velocity of the two players just after the tackle. a. 3 m/s south b. 2 m/s south c. 2 m/s north d. 3 m/s northPart A A small, 250 g cart is moving at 1.50 m/s on a frictionless track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.870 m/s. What is the speed of the large cart after the collision? Express your answer with the appropriate units. ? Value Units