terence is rolling along on her 4kg skateboard with a constant speed of 3.0m/s when she jumps off the back and continues forward with a velocity of 2.0m/s relative to the ground. this causes the skateboard to go flying forward with a speed of 15.5m/s relative to the ground. What is Lee's mass?

Q: A 6.4 kg block of wood resting on a platform was hit by a 48 g bullet travelling upward with a speed…

A: Given: M=6.4 kgm=48g=0.048 kgubullet=1124 m/sublock=0 m/svbullet=691 m/s

Q: 31.6-g rifle bullet traveling 221. m/s buries itself in a 2.11-kg pendulum hanging on a 2.45-m-long…

A: Given that:Mass of bullet, m=31.6 g=0.0316 kgInitial speed of bullet, u=221 m/sMass of pendulum,…

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: Two asteroids collide and stick together. The first asteroid has mass of 15×103kg and is initially…

A: Let the first asteroid is moving horizontally while the second asteroid is moving at an angle of…

Q: A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A: The following problem involves the law of conservation of momentum. The law states that the total…

Q: 70.0-kg astronaut floating inside a space station throws a 2.00-kg ball away from him at 4.0m/s…

A: Dear student When there is no external force acting on the system the momentum remains conserved. Pi…

Q: A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A:

Q: 4. A 58.5-kg astronaut is doing a repair in space on the orbiting space station. She is at rest…

A:

Q: Car 1, whose mass is 1200 kg, travels east at 30.0 m/s and collides with car 2, whose mass is 1600…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

Q: A railroad tank car rolls on a track at 3.40 m/s toward two identical coupled tank cars, which are…

A: The objective of the question is to find the speed of the three coupled cars after the collision and…

Q: A 0.250 kg toy car moving with a speed of 0.860 m/s collides with a wall. The figure shows the force…

A: Given Mass (m)    = 0.250 kg Velocity (v) = 0.860 m/s

Q: A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A:

Q: A 20 g bullet moving horizontally with a velocity of 350 m/s gets imbedded in a 12 kg block hanging…

A: Given data: The mass of the bullet, mb =20 g. The initial speed of the bullet, ub=350 m/s. The mass…

Q: A truck of mass 2000 kg has a low speed head-on collision with a small car of mass 900 kg. The…

A: mass of truck = mt= 2000 kg mass of car = mc= 900 kg initial velocity of truck = Vti= 10 m/s initial…

Q: A baseball of mass 0.145 kg is thrown at a speed of 33.0 m/s. The batter strikes the ball with a…

A:

Q: A 145 g baseball traveling directly to the left at a speed of 32 m/s reverses its direction of…

A: Given data: Mass of the baseball m=145 g      =0.145 kg Initial speed is v0=32 m/s Its direction is…

Q: A missile of mass 110 kg is fired from a plane of mass 5500 kg initially moving at a speed of 315 m…

A: Given:  mass of missile, m = 110 kg  mass of plane, M = 5500 kg  initial velocity of missile, v =…

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 railroad flatcar of weight 7840 N can roll without friction along a straight horizontal track.…

A:

Q: A 10 g bullet is fired into a 10 kg wood block that is at rest on a wood table. The block, with the…

A: Given: The mass of the bullet is m=10 g. The mass of the block is m’=10 kg. The distance traveled…

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…

A:

Q: The two masses in the figure are released from rest. What is the speed (in m/s) of the masses after…

A: Mass of each block are 3 kg and 2 kg respectively Acceleration due to gravity (g)=9.8 m/s2 Distance…

Q: A 68.5-kg astronaut is doing a repair in space on the orbiting space station. She throws a 2.25-kg…

A: From conservation of momentum,   Momentum of the astronaut + Momentum of the tool= 0 If, M=mass of…

Q: In baseball, the pitcher thrusts the ball 145 g towards the batter at a speed of 30 m/s. The batter…

A:

Q: A pickup truck has a mass of 874.05kg. It travels with a velocity of 21.361m/s before it hits a…

A:

Q: A 67.0 kgkg football player is gliding across very smooth ice at 2.25 m/sm/s. He throws a 0.470 kg…

A:

Q: At one instant, the center of mass of a system of two particles is located on the x-axis at 5m 2.0 m…

A:

Q: Bernadetta has a mass of 58 kg. She is riding her skateboard east at 6 m/s. She collides with…

A: given: mB=58 kguB =6 m/s ( towards East)us= 3 m/s (towards West)V = 0.3 m/s (towards west)

Q: A 100-g bat collides with a stationary 1.2 kg teddy bear. Immediately after the collision, the bat…

A:

Q: A 47.0 kg boy stands on a sled that is stopped in the middle of a frozen pond. The boy jumps…

A: Dear student When there is no external force acting on the system the momentum bremains conserved.…

Q: A 60-kg swimmer suddenly dives horizontally to the left from a 100-kg raft with a speed of 2.5 m/s.…

A: Given that,Mass of swimmer, m1=60 kgMass of raft, m2=100 kgSpeed, V1=2.5 m/sInitial speed of raft=0…

Q: hawkeye shoots an arrow with a mass 35g. the force on the arrow as it is shot through the 25 cm bow…

A: The mass of the arrow is given as 35 grams. To use it in our calculations, we need to convert it to…

Q: A 650.0-kg car makes a 90° turn. Its speed before the turn is 23.0 m/s and after the turn it is 27.6…

A:

Q: Two trucks are approaching an extremely icy four way perpendicular intersection. Dennis is driving…

A:

Q: A 0.19 kg arrow is shot at +42 m/s. It hits an apple (m = 0.62 kg), and goes through the apple,…

A: Given Datamass of arrow mar = 0.19 kgmass of apple map = 0.62 kginitial velocity of arrow uar = 42…

Q: 56 g base ball is travelling at 40 m/s.  When it hits with the baseball bat, you exert an average…

A:

Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

A: Givenm1 = 76.3 kgm2 = 10.8 kgu1 = 0 m/su2 = 3.07 m/s

Q: Two clay balls collide and stick. Ball 1 has a mass of 3 kg and an initial velocity of 10 m/s in the…

A:

Q: A child sleds down a hill and collides at 5.6 m/s into a stationary sled that is identical to his.…

A: The expression for the initial momentum is given by, pi→=(m+M)vf,c

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: A 2250 kg truck travelling at 16 m/s strikes a car at rest. The two stick together and move off with…

A: Given: Mass of truck, M=2250 kg Initial speed of truck, u=16 m/s The truck strike with car which is…

Q: A stationary firecracker explodes into two pieces. The piece shot to the right has a mass of 0.07 kg…

A: Given data:  Initially firecracker at rest Mass of first piece (m1) = 0.07 kg Velocity of first…