Sally, who has a mass of 55 kg, is sledding at the park. She places her 9-kg sled at the top of a hill and then runs with a velocity of 3 m/s and jumps on it. What is the combined velocity of Sally and the sled right after she jumps on, in m/s? (Round your answer to one decimal place if necessary.

Q: You have three identical train cars, each of mass 2,618 kg, that are coupled (attached) together.…

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Q: Cheryl (mass 50 kg) and Jared (mass 62 kg) 8ecupy Cheryl gets her car cruising at 3.6 m/s and…

A: Given:- The mass of the Cheryl mc = 50 kg  The mass of the Jared  mj =  62 kg  the mass of the…

Q: A projectile has a momentum of 1.6x106 N×s and a speed of 200 m/s. What is its mass and weight?

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Q: A 2.0 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at 4.0 m/s,…

A: The mass of block 1,   The initial velocity of the block 1,   The initial velocity of the block 2,…

Q: A 3 kg cart is connected to a 4 kg cart. Together, they are moving at 1.5 m/s to the left. They…

A: Given Mass of first cart (m1) = 3 KgMass of second cart (m2) = 4 KgInitial velocity of both carts is…

Q: A box is initially at rest on a horizontal, frictionless table. If a force of 10 Newtons acts on the…

A: Given that: Initial momentum of the box, P1=0 Force applied, F=10 N Time interval, ∆t=3 sec Final…

Q: A driver applies the brakes and reduces the speed of her car by 20%, without changing the direction…

A: Given  The speed of the car is reduced by 20 %

Q: What is the momentum of a 4.45x104 N truck when traveling at the rate of 100 km/hr? (full solution)

A: Weight of the truck is  W=4.45×104 N Suppose that, mass of the truck is m Now,W=mg, g being the…

Q: A soccer ball having a mass of 0.43 kg enters the goal with a momentum of 5.16 kg-m/s after it was…

A: The following kinematics equation can be used to find the position, velocity and the acceleration of…

Q: What is the momentum of a 4.45x104 N truck when traveling at the rate of 100 km/hr?

A: The weight of the truck is 4.45×104 N. The expression for weight of the truck is, W=mg…

Q: A 8-g block slides with a velocity of 18 cm/s on a smooth level surface and makes a head-on…

A: Given Information:- Mass of the first block is m1=8 g Mass of the second block is m2=26 g Initial…

Q: Two figure skaters are standing motionless on the rink when they push off each other. The first…

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Q: how fast does Charlie Brown need to go in order to give a 0.25 KG football a momentum of 5kg•m/s?

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Q: A 10,291-kg railroad car traveling at a speed of 35 m/s strikes an identical car at rest. If the…

A: Given data: Mass of first railroad car (m1) = 10,291 kg Initial velocity of first railroad car (V1)…

Q: Allison, 45 kg, is standing on a frozen pond wearing ice skates. If she throws a 10 kg bag of rice…

A: Mass of the Allison is M = 45 Kg Mass of the bag is m = 10 kg Velocity of the bag is v = 5 m/s

Q: Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another…

A: Two skaters initially at rest facing each other push off against each other. The speeds of both…

Q: A force of 500 N is exerted on a baseball by the bat for 0.001 s.  What is the change in momentum of…

A: Given data:  Force (F) = 500 N Time interval (Δt) = 0.001 s Required: The change in momentum (ΔP)

Q: What is the change in momentum of a 25 g baseball originally travelling at 30 m/s forward, if after…

A: Given:Mass of ball, m=25 gInitial velocity, u=30 m/sFinal velocity, v=-75 m/s   To determine change…

Q: A volleyball is spiked so that its incoming velocity of +4.45 m/s is changed to an outgoing velocity…

A: Given information:Mass of the basket ball (m) = 0.350 kgThe initial velocity of the ball (u) = +…

Q: A 110 kg linebacker running at 2.0 m/s and an 82 kg quarterback running at 3.0 m/s have a head-on…

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Q: a boy of mass 60 kg jumps from a wall and lands on the ground for 5 newton seconds. what is the…

A: Momentum is defined to be the mass of an object multiplied by the velocity of the object.  Here, we…

Q: Two dogs are playing in a park, and they collide. The Great Dane has a momentum of 782 kg•m/s, and…

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Q: A 40-kg football player leaps through the air to collide with and tackle a 60-kg player heading…

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Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are…

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Q: What impulse does the engine impart to the rocket?

A: Explanation and answer is in next step .

Q: A soccer ball having a mass of 0.43 kg enters the goal with a momentum of 5.16 kg-m/s after it was…

A: Given data: Mass of the ball, m =0.43 kg Momentum of the goal, p=5.16 kg m/s Distance, x =18 m

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: Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another…

A: Since initially, both the skaters are at rest. Therefore their initial velocities= v= 0 m/s Since…

Q: A slab of Clay with a mass of 0.19 kg and velocity of 9 m/s hits a stationary toy car of mass 0.57…

A: Write a given values of this question. Mass of the clay. m1=0.19kg Velocity of the clay. v1=9m/s…

Q: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500 kg If the two…

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Q: Cheryl (mass = 50 kg) and Jared (mass = 62 kg) occupy separate 36-kg bumper carsCheryi gets her car…

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Q: A 1.8 kg block slides along a frictionless surface at 2.0 m/s , A 2nd block is moving at -8.0m/s and…

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Q: A 1000-kg red car moving east at 15 m/s is struck by a 1200-kg blue car moving north. They are stuck…

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Q: If a cart hits a bumper and has a change in momentum = 3.96 kg.m/s, and the time during which the…

A: Solution: Given that change in momentum dP = 3.96 kg m/s dt = 0.163 s

Q: The mass A in the figure is 20 kg and the mass B is 28 kg. If released from steady state, after 5…

A: Draw the free-body diagram of the masses and pulley as:

Q: Two cars collide at an intersection and stick together. Car A, with a mass of 1200 kg, was going…

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Q: When the driver of a Toyota Camry hits the brakes, a force of -9,000 Newtons causes a negative…

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Q: A 8.3-kg falcon catches a 2.5-kg dove from behind in midair. What is their velocity in unit of m/s…

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Q: How fast would you have to throw a 0.145 kg baseball to give it a momentum of 38.2 N's?

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Q: What is the momentum of a 500-kg car, moving at 10 m/s, going 20̊ north of west direction?

A: Given Mass m = 500 kg Velocity v̅ = 10 m/s  ,20⁰ north of west

Q: The momentum of a 225 g softball moving at 35 m/s is _________________________.

A: Given   Mass of softball is m=0.225 kg   Speed of softball is v=35 m/s

Q: What is the velocity of a 100 kg block that has a momentum of 430 kg m/s?

A: Given data: Mass = 100 kg Momentum = 430 kg m/s Need to determine the speed of the block.

Q: A 1.65 kg falcon catches a 0.495 kg dove from behind in midair. What is their velocity after impact…

A: Given data The mass of the falcon is given as mf = 1.65 kg. The mass of the dove is given as md =…

Q: A 300 kg cannon fires a 12 kg cannon ball. If the cannon recoils at 2.5 m/s , what is the velocity…

A: Mass of cannon  M = 300 kg  Vc = 2.5 m/s  Mass of Cannon ball is m = 12 kg  Let the magnitude of…

Q: Two football players with a mass of 75 kg and 100 kg run directly toward each other with speeds of 6…

A: The total momentum of the system must be conserved. The initial momenta of the two footballers in…

Q: What is the velocity and direction of the collision if a railway train with a mass of 6,000 kg is…

A: Given data: Mass of railway train (m1) = 6000 kg Velocity of railway train (V1) = 2.0 m/s, to the…