3. A 55 kg skater at rest on a frictionless rink throws a 3 kg ball, giving the ball a velocity of 8 m/s. What is the velocity of the skater immediately after?

Q: 38. A 520-N skateboarder runs east with a speed of 4.5 m/s toward her 3.0-kg skateboard that is…

A: Given Mass of skateboarder M = 5209.81 = 53 kg Initial speed of skateboarder u1 = 4.5 m/s Mass of…

Q: 2. A 2000-kg Mercedes Benz, moving at a velocity of 20 m/s, due East, bumped into the rear end of a…

A: Given Data : The mass of the Mercedes Benz is given as m1 = 2000Kg. The mass of the Toyota Camry is…

Q: 25. A 2.0 X 103-kg car travelling at 2.4 X 10' m/s [E] enters an icy intersection and collides with…

A:

Q: Fa M 2) Fa = 500 N and Hk = .310. The velocity of the block is 20 m/s. What is M? a) 25 kg b) 1519…

A:

Q: 37. A 1950 kg police car is hoing 12.5 m/s rear-ends a 1500 kg sedan moving 3.0m/s. After the…

A: Given: The mass of the police car is mp=1950 kg, The initial velocity of the police car is…

Q: A 90 kg man is standing still on frictionless ice. His friend tosses him a 10 kg ball, which has a…

A: Using Law of conservation of momentum, We have the Initial momentum will be  equal to final…

Q: A 2.3 kg Red cart is moving to the right at 7.7 m/s, it runs into a 1.3 kg Green cart moving to the…

A: According to the conservation of momentum

Q: A 9.5 kg bowling ball races down the lane at 15.0 m/s before striking a bowling pin (at rest) with a…

A: Given data: Mass of bowling ball (m1) = 9.5 kg Initial velocity of bowling ball (u1) = 15.0 m/s Mass…

Q: 1. A.15 kg baseball traveling at 100 mph along the x- axis is struck by a bat, causing it to reverse…

A:

Q: 3. A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car…

A:

Q: A 70.0 kg70.0 kg ice hockey goalie, originally at rest, has a 0.110 kg0.110 kg hockey puck slapped…

A: According to the principle of conservation of momentum, the total momentum of the system must be…

Q: =. A train car with a mass of 3.0 x 104 kg is traveling east at 3.0 km/h collides, and links, with…

A: Given The mass of the first train is m1=3×104 kg. The velocity of a first train is v1=3 km/h.  The…

Q: 2. *An ice puck of mass 0.54 kg moving with a speed of 5m/s to the right collides with a 0.28 kg…

A: Given: The intial velocity of the 0.54 kg puck is 5 m/s to right. The initial velocity of the 0.28…

Q: 24. Suppose a clay model of a koala bear has a mass of 0.200 kg and slides on ice at a speed of…

A:

Q: A 0.2 Kg baseball is pitched at 40 m/s. The batter hits the ball back to the pitcher at 60 m/s. a)…

A: Given quantities: Mass of the baseball (m) = 0.2 kg initial velocity of the baseball (u) = + 40 m/s…

Q: 3. An 87 kg wide receiver is running at 9.4 m/s and is hit by a 110 kg linebacker traveling in the…

A:

Q: A 2,511 kg railroad car moving at 4.192 m/s to the east collides with a 8,199 kg railroad car moving…

A: Given data The mass of one railroad car is given as m1 = 2511 kg. The initial velocity of the first…

Q: 2. A 40 kg girl skates at 3.5 m/s on ice toward her 65 kg friend who is standing still, with open…

A: Mass of girl = m1 = 40 kg Mass of friend = m2 = 65 kg Initial speed of girl = v1 = 3.5 m/s Initial…

Q: 4. *An air track car with a mass of 0.85 kg and velocity of 3.4 m/s to the right collides…

A: mass of right moving object, m1 = 0.85 kg and its velocity before collision is u1 = 3.4 m/s mass of…

Q: Hinata throws a 0.3-kg volleyball at the wall. With a velocity of 3.2 m/s, the volleyball hits the…

A: Given in question - Mass of the volleyball (m) = 0.3 Kg                                   Initial…

Q: 1. A 10 g bullet is fired into a stationary block of wood having mass m=5.0 kg. The bullet imbeds…

A:

Q: 2. A car has a momentum of 1500kg*m/s collides with a moose who has a momentum of 600kg*m/s. If the…

A: The collision between the car and moose is inelastic so the momentum of both before and after the…

Q: A 6090 kg space probe moving nose-first toward Jupiter at 105 m/s relative to the Sun fires its…

A: Here, using the conservation of momentum,

Q: 20. Jamal is at the state fair playing some of the arcades. At one booth he throws a 0.50 kg ball…

A:

Q: Not understanding why -tan is used

A:

Q: 2) A 82 gram bullet is fired from a small caliber pistol. The bullet travels 925 m/s and strikes a…

A: Given data: Mass of the bullet mb=82grams =0.082kg Mass of the wooden block mw=2.5kg Velocity of the…

Q: 2. A woman, driving a 0.045-kg golf ball off a tee, gives the ball a velocity of +28 m/s. What is:…

A: Mass of golf ball = 0.045 kg Initial velocity of ball = 0 m/s Final velocity of ball = + 28 m/s To…

Q: Miguel, the 72.0 kg bullfighter, runs toward an angry bull at a speed of 4.00 m/s. The 550. kg bull…

A:

Q: A student of mass m=45 kg runs at a velocity vi=1.54 m/s before jumping on a skateboard that is…

A:

Q: 1. Norwegian speed-skater Hege Bokko (57.1 kg) is skating on an ice rink at a speed of 12.0 m/s…

A: Given,  mass of the hege bokko, m = 57.1 kgmass of the apple, ma = 6.0 kgspeed of the hege with…

Q: Brad (mass 75.0 kg) and Janet (mass 60.0 kg) are doing a pairs figure skating routine on ice. Brad…

A:

Q: 3.A 21 kg child is riding a 5.9 kg bike with a velocity of 4.5 m/s to the northwest. a.What is the…

A: We know, momentum of a object of mass m, moving with velocity v, is given as, p=mv

Q: A 5592.42 kg car traveling at 20.0 m/s hits a giant rubber ball of mass 5.59 kg sitting motionless…

A: Given m1=5592.42 kg m2=5.59 kg u1=20 m/s u2=0

Q: It fires a 0.013 kg bullet at 429.4 m/s (relative to the ground). .(a ) A 5 kg rifle is initially at…

A:

Q: A 1470-kg car moving east at 17.0 m/s collides with a 1820-kg car moving south at 15.0 m/s, and the…

A:

Q: aspiring figure skater, collides with bob, a rival figure skater, who had an initial velocity of 3.5…

A:

Q: A falcon with a mass of 0.258 kg is flying along at a horizontal speed of 8.2 m/s and it sees a…

A: Using the conservation of momentum, pi=pfm1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2

Q: Block A, with a mass of 0.300 kg, is traveling north on a frictionless surface with a speed of 5.00…

A:

Q: 1. What is the change in momentum of a 26.3 g bird flying with the speed of 9.25 m/s due east then…

A:

Q: A 0.6 N bullet with a velocity of 500 m/s strikes a 90 N block of wood moving at 10 m/s in the…

A:

Q: 1. A 13,500 kg railroad freight car travels on a level track at a speed of 4.5 m/s. It collides and…

A: Given: The mass of the first car is m=13500 kg. The mass of the second car is m'=25000 kg. The…

Q: 59. Three 70-kg deer are standing on a flat 200-kg rock that is on an ice-covered pond. A gunshot…

A: Initially, the rock is stationary, so the total momentum is zero. Now after the gunshot, the…

Q: A 10.0-g bullet is fired into a stationary block of wood having mass m = 5.00 kg. The bullet imbeds…

A: Mass of bullet, m = 10 g = 0.01 kg Mass of wood block, M = 5 kg Before collision, speed of block, u…

Q: 2. A ball of mass 150 g traveling at 5 m/s bounces elastically into a 2nd ball of mass 50 g. What…

A:

Q: 4. Sophia, an aspiring figure skater, collides with Emma, a rival figure skater, who had an initial…

A:

Q: It fires a 0.015 kg bullet at 430 m/s (relative to the ground). .(ali ) A 5.8 kg rifle is initially…

A: Given: The mass (m) of the bullet is 0.015 Kg. The mass (M) of the rifle is 5.8 Kg. The speed (v) of…

Q: 5) A block of mass of 2 kg, moving on a frictionless surface with a velocity of 2 m/s to the right,…

A: