"A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in the car. How fast will the car be moving after this happens?"

"A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in the car. How fast will the car be moving after this happens?"

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 41P: Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and...

See similar textbooks

Related questions

Q: A truck of mass 2630 kg and a car of mass 890 kg in a demolition derby are about to crash into one…

Q: If two objects collide in a perfectly elastic collision where the first object is moving at 10m/s…

A: Given that:- Both object has same mass. And velocity of object1 before collision is 10m/s and second…

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.2 m…

A: Let the velocities of the masses m1 & m2 are respectively u1 & u2 before collision and v1…

Q: A Plane flies parallel to the ground at a height of 3 km at 340 m/s over a mysterious island when an…

A: Before explosion total mass of plane m m= mass of tail Section m1 + mass…

Q: A person of mass 77.5 kg is initially at rest on the edge of a large stationary platform of mass 215…

Q: A car (m1 = 2000 kg) is traveling with a velocity = (20 î + 10 ĵ ) m/s. This car collides with a…

Q: A cube of M 3.00 kg slides down a frictionless incline, and elastically strikes another cube m =1.30…

A: Speed of mass M at the bottom of the incline Kf+Uf=Ki+Ui12mu12+0=0+mghu1=2gh=29.8 m/s235.0 cm10-2 m1…

Q: A 730 N man stands in the middle of a frozen pond of radius 4.0 m. He is unable to get to the other…

A: Let W be defined as the weight of the man. Therefore, W=mgm=Wg Here, W is the weight of the man. g…

Q: a 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A: The expression for the velocity,

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: A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of 0.25 m.…

A: The initial velocity of the ball hitting the ground is u = 8 m/s the rebound height oh the ball is h…

Q: In the figure, block 1 of mass m slides from rest along a frictionless ramp from height h = 2.5 m…

A: first mass = m1second mass (m2) = 4 m1h = 2.5 m μk = 0.35stopping distance after collision = d

Q: A 48.9 g bullet strikes and becomes embedded in a 1.52 kg block of wood placed on a horizontal…

A: Let speed of block after bullet embedded is v Now, by work energy theorem Kf - Ki = Wf 0 -…

Q: Twó čars, each with a mass of 800 kg, collide and stick together. One was initially moving at 90…

A: mass of both car=800 kgm1=m2=800 kgsuppose velocity of car 1:v1=90 kmhv1=90×10003600v1=25 msv2=0 (at…

Q: How far will a stationary block of wood of mass 30 kg rise (after an elastic impact) as an 80g…

Q: Two blocks slide on a collision course across a frictionless surface, as in the figure. The…

Q: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain…

A: Given: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps…

Q: A carnival game consists of a two masses on a curved frictionless track, as pictured below. The…

A: Given data: Mass of the larger object, M = 5.34 Kg Mass of the smaller object, m = 1.37…

Q: To get off a frozen, frictionless lake, a 65.0-kg person takes off a 0.150-kg shoe and throws it…

Q: An open railroad car of mass 15,000 kg is coasting with a speed of 25 m/s. It rains really hard for…

A: Given data: The mass of the open railroad car is M=15000 kg. The initial speed of the railroad car…

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h 2.5 m and…

A: Given, Height=2.5m Kinetic friction=0.55

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: The given values are, m1=18.0 g=0.018 kgm2=43.0 g=0.043 kgh=32.0 mv0=60.0 m/s

Q: A 87 kg man lying on a surface of negligible friction shoves a 74g stone away from himself, giving…

A: Given data: Mass of man (mm) = 87 kg Mass of stone (ms) = 74 g Speed of the stone (vs) = 7.3 m/s…

Q: The head of a hammer (m = 1.5 kg) moving at 4.5 m/s strikes a nail and bounces back with the same…

A: according to newton's second law Fnet=∆P∆t ∆P is change in momentum∆t is time taken since it is…

Q: A 71 kg baseball player jumps straight up to catch a hard-hit ball. If the 140 g ball is moving…

Q: A fireworks rocket is fired vertically upward. At its maimum height of 80.0 m, it explodes and…

A: The masses are m1=1.20 kgm2=0.220 kg At the maximum height the rocket's velocity is zero.Total…

Q: A 4900 kg open train car is rolling on frictionless rails at 27 m/sm/s when it starts pouring rain.…

A: Using the conservation of momentum principle, Pi=Pfmtraini×Vi=mtrain+mwaterf×Vf

Q: A cube M=3.00 kg slides down a frictionless incline as shown in the figure, and elastically strikes…

Q: A 70 kg skater, at rest on frictionless ice, tosses a 8.0 kg snowball with velocity by 53.0i + 14.0j…

A: Momentum is given by Momentum = mass x velocity

Q: A 70 kg skater, at rest on frictionless ice, tosses a 8.0 kg snowball with velocity by ú = 53.0i +…

A: Given: The mass of the snowball is 8.0 kg. The mass of the skater is 70 kg. The velocity of the…

Q: A 2 kg block is moving at v = 3 m/s along a frictionless table and collides with a second 2 kg block…

Q: lalhing two boxes of gold and having a mass of 400 Kg altogether has been cut loose from the horses…

A: Momentum before batman and robin jumps= mv =400x20 =8000kg m/s Direction will be same as speed.

Q: A 2500-kg car traveling at 20 m/s is chasing a second car of mass 3500 kg that is traveling at 7 m/s…

Q: A railroad car of a mass m is moving at speed v when it collides with a second railroad car of mass…

Q: A carnival game consists of a two masses on a curved frictionless track, as pictured below. The…

A: Let vs be the velocity of the smaller object after the collision. Apply the conservation of energy…

Q: A 91 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself, giving…

Q: A 2.00 kg stone is dropped from rest at a height of 4.00 m. What impulse does gravity impart to this…

A: The impulse can be expressed as I=F·Δt=maΔt=mΔv=Δp

Q: A railroad car of mass 2.56 x 10" kg is moving with a speed of 4.10 m/s. It collides and couples…

Q: A wood block of mass mw = 200 g is projected from the ground at a speed vo= 35 m/s and at an angle…

A: Given: The mass of wooden block mw = 200 g. Projectile speed of wooden block vo = 35 m/s. Angle of…

Q: Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is…

A: Given that First mass(m1)= M Second mass(m2)= 3M Initial velocity of m1 is (u1)= 0 Initial velocity…

Q: A bullet of mass m = 7.50 g is fired horizontally with a speed v = 549 m/s into a bob of a ballistic…

Question

"A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt
man drops straight down a distance of 4.0 m, and lands in the car. How fast will the car be moving after this happens?"

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Explanation

VIEW

Step 2: Result

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

How much fuel would be needed for a 1000-kg rocket (this is its mass with no fuel) to take off from Earth and reach 1000 m/s in 30 s? The exhaust speed is 1000 m/s.
Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and the trailing skating moving at 6.2 m/s. When the trailing skater catches up with the leading skater, he picks her up without applying any horizontal forces on his skates. If the trailing skater is 50 heavier than the 50-kg leading skater, what is their speed after he picks her up?
A 1500 kg car traveling at 12 m/s suddenly runs out of gas while approaching the valley shown in the figure. The alert driver immediately puts the car in neutral so that it will roll. What will be the car’s speed as it coasts into the gas station on the other side of the valley?
A hockey puck is hit by a stick and slides off at an initial speed of 0.5 m/s. Assuming that the ice is frictionless, what is the speed of the puck after 1s?
A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the qun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and its speed is 305 m/s. If the gun's mass is 2.1 kg, what is its speed (in m/s)? m/s
A 5kg object is hanging by a 1.5m wire when it is suddenly hit by a 3kg missile traveling horizontally at 12m/s. The missile embeds itself in the object during the collision. What is the tension in the rod immediately after the collision? (Answer in whole number, no unit)
A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and its speed is 320 m/s. If the gun's mass is 2.2 kg, what is its speed (in m/s)?
A train car, initially traveling at 40 m/s, approaches 3 identical coupled train cars, which are initially at rest. The moving train car hitches to the stationary train cars, and they all move off together. What is their final speed? O 40 m/s O 30 m/s O 20 m/s 10 m/s O Om/s
A 12 g bullet is accelerated from rest to a speed of 700 m/s as it travels 20 cm in a gun barrel. How largewas the applied accelerating force?
"A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to the shore?" O 0.24 m/s O 0.30 m/s O 0.48 m/s 0.60 m/s
A guy running drops from a tower to the ground. The height of the tower is 8 m. (a) How fast is the person going when he hits the ground (assuming no air resistance)? (b) If the person's mass is 65 kg, what is his momentum when he hits the ground? (c) If he lands and bends his knees, he comes to rest in 0.2 sec. What force is being exerted on his legs to stop him?
A girl, having a mass of 15 kg, sits motionless relative to the surface of a horizontal platform at a distance of 5 m from the platform's center. If the girl speed is 2 m/s. What is the normal force that affects the girl?