A 90 kg man is standing still on frictionless ice. His friend tosses him a 10 kg ball, which has a horizontal velocity of 20 m/s. After catching the ball, what is the man's velocity?

Q: A hunter has a rifle that can fire 50-g bullets with a speed of 900 m/s. A 90 kg tiger springs at…

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Q: A 3650-kg open railroad car coasts at a constant speed of 9.00 m/s on a level track. Snow begins to…

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Q: The best way to get an old-fashioned wooden sled (which can be quite heavy) going on the snow is to…

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Q: judy (mass 40 kg), standing on slippery ice, catches her leaping dog (mass = 15 kg) moving…

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Q: For both questions, consider the following: A 5 kg and 8 kg block are on a horizontal table. The 5…

A: m = 5 kg  M = 8 kg  u = 0  U = 4 m/s

Q: A 10-g bullet moving 1000 m/s strikes from below and passes through a 5.0-kg block initially at…

A: Given Data:Mass of the bullet Mass of the block Initial velocity of the bullet Final speed of the…

Q: A 0.45-kg soccer ball is moving to the right with a speed of 5.5 m/sec. Ken hits the ball with his…

A: Given Let us consider right side movement as positive and left side movement as negative Mass of the…

Q: A 88 kg man lying on a surface of negligible friction shoves a 66 g stone away from himself, giving…

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Q: A spaceprobe in outer space is flying with a constant speed of 1.318 km/s. The probe has a payload…

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Q: crane drops a 1.9 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

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Q: The driver of a car (1100 kg) traveling at 30 m/s on dry concrete sees a deer in the distance and…

A: The mass of the car m=1100 kg. The velocity of the car v=30 m/s. Standard values: Coefficient of…

Q: A 77 kg man lying on a surface of negligible friction shoves a 61 g stone away from himself, giving…

A: Mass of the person is mp=77 kg Mass of stone is ms=61 g Initially both the person and stone are at…

Q: Your mass is 79.7 kg, and the sled s mass is 13.7 kg. You start at rest, and then you jump off the…

A: Given that, my mass is M=79.7kg and the mass of the sled is m=13.7kg From the rest position, I…

Q: A canoe is designed to have very little drag when it moves along its length. Riley, mass 62 kg ,…

A: A canoe is designed to have very little drag when it moves along its length.Riley, mass  m1= 62 kg ,…

Q: During a concert, a 120 kg firework travels north at 80 m/s. Unfortunately, it collides with a…

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Q: student of mass m = 56 kg runs at a velocity vi = 1.55 m/s before jumping on a skateboard that is…

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Q: A 200 kgkg weather rocket is loaded with 100 kgkg of fuel and fired straight up. It accelerates…

A: Acceleration , a = 35 m/s2  Time , t = 32 s To find = rocket's maximum altitude

Q: A crane drops a 1.8 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

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Q: Three carts are moving on a frictionless horizontal track as shown in the figure. The 4.00 kg cart…

A: The momentum is conserved. that is total linear momentum before collision is equal to the total…

Q: An 81 kg fisherman jumps from a dock into a 134 kg rowboat at rest on the West side of the dock. If…

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Q: ou are stranded in a boat in a frictionless sea filled with hungry piranhas.  The mass of the boat,…

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Q: Sally who is driving a 2200 kg car and rams into John who was stopped in his 1500 kg car. Sally was…

A: Given: m1=2200 kgm2=1500 kgu1=36 km/h = 10 m/su2=0 m/sv1=18 km/h= 5 m/sF=5*104 N

Q: A volleyball weighing 0.38 kg approaches Zina with a velocity of 3.8 m / s. Zina hits it and gives…

A: Recall Favg=∆P/∆t

Q: A 5 kg dog sits in a stationary, 27 kg sled on a frictionless, icy lake. The dog jumps out of the…

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Q: Your mass is 69.6 kg, and the sled s mass is 20.9 kg. You start at rest, and then you jump off the…

A: person's mass, mp=69.6 kgmass of sled, ms=20.9 kginitial speed of both person and sled together, u =…

Q: A boy sleds down a hill and onto a frictionless ice-covered lake at 11.7 m/s. In the middle of the…

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Q: A crane drops a 1.8 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A: Mass of the crane(m)=1.8 kg Initial speed(vi)= -8.1 m/s Final speed (vf) =  3.7 m/s  Momentum…

Q: A 67.0 kg person is riding a bike on a level horizontal street. Together, the bike and person have a…

A: Mass of the person (m1) =67 kgCombined mass  of  person  and  bike                     is 74.6 kg .…

Q: To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens)…

A: Given: Mass of falcon is m1=0.75 kg Initial velocity of falcon isu1=22 m/s Final velocity of falcon…

Q: Mary slides down a snow-covered hill on a large piece of cardboard and then slides across a frozen…

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Q: atomic nucleus initially moving at 375 m/s emits an alpha particle in the direction of its velocity,…

A: Given  Initial speed = u = 375 m/s  Final speed = v = 250 m/s  Mass of alpha particle = Mh = 4 .0 u…

Q: A 1000 kg car is moving 35° West of North at 20 m/s. It coll van traveling northward at 30 m/s. What…

A: Given m1=1000 kgθ=35°u1=20 m/sm2=1500 kgu2=30 m/s

Q: Your mass is 87.9 kg, and the sled s mass is 19.9 kg. You start at rest, and then you jump off the…

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Q: Three children are standing together on a totally frictionless frozen pond. However, their combined…

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Q: A crane drops a 1.9 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

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Q: wo books slide across a friction less surface. one book has a mass of 6.2 kg and it slides to the…

A: GivenFor book 1, sliding to rightm1=6.2 kg   , u1=9.8 m/sFor book 2, moving to leftm2=3.8 kg  ,…

Q: A 1000 kg car traveling north at 15 m/s collides with a 2000 kg truck traveling east at 10 m/s. The…

A: Explanation -

Q: Your mass is 77.3 kg, and the sled s mass is 17.7 kg. You start at rest, and then you jump off the…

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Q: A confused 53.kg bowler on ice skates is coasting forwards with speed 20 m/s when he catches a…

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Q: At the intersection of El Roble road and Paseo Universitario road, a 1000 kg car A traveling east on…

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Q: a red 755 g cart having a initial speed of 9.85 m/s hits a stationary blue 455-g cart on a physics…

A: Mass of red cart, mr = 0.755 kgMass of blue cart, mb = 0.455 kgInitial velocity of red cart, ur =…

Q: You drop a 0.625 kg basketball from waist height. The basketball is moving downwards at 4.5 m/s just…

A: Given information:The mass of the basketball is m = 0.625 kgThe velocity of the basketball just…

Q: Three carts of masses 4 kg, 5 kg, and 10 kg move on a frictionless horizontal track with speeds of 4…

A: The velocity of an object is the rate of change of its position with respect to a frame of…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: A 7500 kg train moving at 1.5 m/s collides with and couples with a 2500 kg carriage. What is the…

A: Given: Train mass, mt=7500 kg Train velocity, vti=1.5 m/s Carriage mass, mc=2500 kg