A load of gravel is dumped straight down into a 30000-kg freight car coasting at 2.2 m/s on a straight section of a railroad. If the freight car’s speed after receiving the gravel is 1.5 m/s, what mass of gravel did it receive?

Q: The train's momentum is 150 kg m/s when it is moving at 5 m/s. What is the train's mass?

A: Given :- Momentum =150 kg m/s  Velocity = 5 m/s  We know that momentum = mass * velocity  So    Mass…

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 1.9 kg block slides along a frictionless surface at 1.1 m/s. A second block, sliding at a faster…

A:

Q: An impulse of 500 Ns acts on a car for 25 seconds.  What is the force exerted on the car?

A: Given data: Impulse I = 500N.s time t = 25 s

Q: A 26.5 kg bicycle traveling at 10.70 m/s collides with another bicycle weighing 6.5 kg traveling at…

A:

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: What is the difference in momentum between a 53-kg athlete running 3.58 m/s and a 880.-kg car…

A: Given data:  Mass of athlete (m1) = 53 kg Velocity of athlete (v1) = 3.58 m/s Mass of car (m2) = 880…

Q: A 10,184-kg railroad car traveling at a speed of 38 m/s strikes an identical car at rest. If the…

A: Dear student During collision the momentum remains conserved. The momentum is defined as: P = mv

Q: 10,608-kg railroad car traveling at a speed of 28 m/s strikes an identical car at rest. If the cars…

A:

Q: Two toy cars have initial momentum of 100 kg•m/s and 150 kg•m/s before collision. If the second toy…

A: Given : p1i = 100 kg.m/s p2i = 150 kg.m/s p2f = 120 kg.m/s

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 1.33 x 10 kg railroad car moving at 7.26 m/s to the north collides with and sticks to another…

A:

Q: What must the velocity of a 0.002 kg ping pong ball be in order to have the same momentum as a 7 kg…

A: Mass of ping pong ball = 0.002 kg   Mass of bowling ball = 7 kg  Velocity of bowling ball = 3 m/s

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

A: The impulse here is

Q: A bullet with a mass of 2.90 g moves at a speed of 1.50 ✕ 103 m/s. If a racquetball of mass 86.4 g…

A: Momentum of the bullet = Mass of the bullet ✕ Speed of the bullet =2.90 g ✕ 1.50 ✕ 103 m/s = 4.35 ✕…

Q: An astronaut whose mass is 80 kg carries an empty oxygen tank with a mass of 10 kg. She throws the…

A:

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: . A pitcher in a professional baseball game throws a fastball, giving the baseball a momentum of…

A: Given data: Momentum (P) = 5.83 kg.m/s Mass (m) = 0.145 kg Required: Speed (v)

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

A:

Q: A car of mass 1000.0 kg moving at 20.0 m/s collides with a 5000.0 kg truck at the initial velocity…

A: Given, mass of the car, m = 1000.0 kg velocity of the car before collision, u1 = 20.0 m/s mass of…

Q: A volleyball is spiked so that its incoming velocity of +3.55 m/s is changed to an outgoing velocity…

A: Given: A volleyball is spiked                 mass of volley ball = 0.350 kg incoming velocity +3.55…

Q: What is the mass of a large ship that has a momentum of 1.60 × 10^9 kg if the  ship is moving at a…

A:

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: When spiking a ball, the player changes the velocity of the ball from 4.2 m/s to -24 m/s along a…

A: It is given that

Q: What is the momentum of a 9,800 kg bus travelling at 40 mph in ??⋅?/?kg⋅m/s?  (kg*m/s)

A:

Q: A 2.00kg mass moving to the right at 3.00 m/s, catches up and collides with a mass of 4.00 kg also…

A: apply force momentum relation

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 10,608-kg railroad car traveling at a speed of 28 m/s strikes an identical car at rest. If the…

A: Given data :               Mass of railroad car , m = 10608 kg               initial speed of first…

Q: If an 18-wheeler truck has a momentum of 15,000 kg m/s , and it is moving down the highway at 2 m/s,…

A: p=mv p=momentum=15000 kg m/s v=2 m/s

Q: What is the momentum in kg · m/s of a garbage truck that is 1.20 ✕ 104 kg and is moving at 35.0 m/s?…

A: momentum = mass ×velocity

Q: 100 g lump of clay is thrown at 10 m/s at a wooden block of mass 200 g.  The clay hits and sticks to…

A:

Q: Two cars traveling in opposite directions collide and stick together. Before colliding, the first…

A:

Q: a slab of clay with a mass of 0.34 kg and velocity of 8 m/s hits a stationary toy car of mass 0.61…

A:

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

A:

Q: A 12000-kg car moving at 156 cm/s suddenly collides with a stationary car of mass 1500 kg If the two…

A: When two objects collide and stick together after the collision, it is categorized as a completely…

Q: A bullet with a mass of 3.08 g moves at a speed of 1.50 ✕ 103 m/s. If a tennis ball of mass 57.2 g…

A: According to the question,

Q: A pigeon flying through the air has a momentum of 8.5 kg*m/s. if the mass of the pigeon is 0.51,…

A: The expression for find velocity of pigeon is p=mvv=pm

Q: A diver with a mass of 80 kg jumps from a dock into a 130 kg boat at rest on the west side of the…

A: Applying the conservation of angular momentum,

Q: A rocket takes off from a space station, where there is no gravity other than the negligible gravity…

A: using rocket equation v=v0-cln(1-∆mm0) where, t=time=10s v=velicity at time t=130m/s v0=intial…

Q: A 10,513-kg railroad car traveling at a speed of 37 m/s strikes an identical car at rest. If the…

A:

Q: A speeding x wing has a momentum of 90,188Kg*m/s2 · If it has a mass of 7,145 kg, how fast is the x…

A:

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 10,517-kg railroad car traveling at a speed of 25 m/s strikes an identical car at rest. If the…

A: Mass of each railroad car (m) = 10517 kg  Initial velocity of first railroad car = 25 m/s  Initial…

Q: The momentum of a 225 g softball moving at m/s is_________.

A: Given that:- m=225g=0.225kg v=1 m/s P=?

Q: A rocket takes off from Earth and reaches a speed of 100 m/s in 10.0 s. If the exhaust speed is 1500…

A: A rocket is depleting the mass system. The body of the rocket and the fuel contained in it have an…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”