A 50.0-kg boy runs at a speed of 8.5 m/s and jumps onto a cart as shown in the figure. The cart is initially at rest. If the speed of the cart with the boy on it is 2.50 m/s, what is the mass of the cart?

Q: A 500 kg sack of coal falls sideways from a railway car with a mass of 2000 kg, which was initially…

A: When no external force is there, he momentum of the system is conserved.

Q: A rocket in deep space has an empty mass of 150 kgkg and exhausts the hot gases of burned fuel at…

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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: 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: The question is if A rock travels at speed v. If rock's mass is tripeld and its speed is reduced to…

A: The kinetic energy of the rock is smaller than in the first case, but momentum is the same

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: 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: 11.) A woman with a mass of 50 kg runs at a speed of 10 m/s and jumps onto a giant 30 kg skateboard…

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

A:

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: A 17.0 kg-sled is coasting across the ice at a speed of 13.0 m/s when a 18.0 kg-package is dropped…

A: Given, Mass, m1 = 17 kg  Speed , v1 = 13 m/s  Mass, m2 =18 kg  Speed, v2 = 0  New Speed, v = ?

Q: A soccer ball of mass 0.4 kg, initially at rest, acquires a speed of 5 m/s immediately after being…

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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 50.0-kg boy runs at a speed of 22.76 m/s and jumps onto a cart as shown in the figure. The cart is…

A: Because no force involve in the process so net external force on boy plus cart system remains zero.…

Q: Question 4: Larry has a mass of 80 kg and runs across the front of the classroom with a speed of 4…

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

A: Speed of the two of them slide across the ice together on the cardboard is 3.374m/s.

Q: batman is fighting robin in china. Batman climbs a tall building and while standing on the top of…

A: Given that:- Mass of Batman, mb =9.6×10^3 kg Mass of Robin,  mr =3.1×10^3 kgvelocity of Robin before…

Q: Bobby has a mass of 70 kg and he runs down the length of a football field at 4.5 m/s in an effort to…

A: Given data: Mass (m) = 70 kg Speed (v) = 4.5 m/s Required: The momentum (P)

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

A:

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 cart of mass 2.00 x 102 kg moving at 2.50 m/s collides and couples with two coupled carts, each of…

A: Given data:  Mass of single cart (m1) = 2.00×102 kg Mass of two coupled carts(m2) = 2m1 = 4.00×102…

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: In an intersection, a bus moving at (100i) m/s and a truck moving at (200j) m/s collided with each…

A:

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 rocket in deep space has an empty mass of 170 kg and exhausts the hot gases of burned fuel at 2500…

A: Given data The empty mass in the rocket is mr = 170 kg. The velocity of the hot gases is vg = 2500…

Q: Three identical train cars, coupled together, are rolling east at 2.0 m/s. A fourth car traveling…

A: The mass of each cart,   The initial mass of the train,   The final mass of the train,

Q: Ethel is sitting on a park bench feeding the pigeons when a child's ball rolls toward her across the…

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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: A 160 g baseball is thrown with a speed of 20 m/s. It is hit straight back toward the pitcher at a…

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Q: A 32-kg girl stands on a 7-kg wagon holding two 13.5-kg weights. She throws the weights horizontally…

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Q: A 700 kg cart is rolling to the right at 1.10 m/s. A 90.0 kg man is standing on the right end of the…

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Q: You have two identical cars of mass 1,662 kg. Initially, one car is moving to the right with a speed…

A: Given data:  Two identical cars m1 = m2 = 1662 kg Initial velocity of car 1 (u1) = 11 m/s Initial…

Q: greatest momentum?

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Q: 2.5 m/s A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart as shown in the figure. The…

A:

Q: Two ice skaters, Sandra and David, stand facing each other on frictionless ice. Sandra has a mass of…

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Q: A 10,000kg coal car on the Great Northern Railroad coasts under a coal storage bin at a speed of 2.0…

A: Given: The mass of the coal car is 10000 kg. The initial speed of the coal car is 2 m/s. The mass of…

Q: While a giant man stands on the top of a building, an elephant slams into him at a speed of 360 m/s.…

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Q: Suppose that a garbage truck is 1.3 × 104 kg and is initially moving at 26.5 m/s. What is the speed…

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