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Conservation of momentum
Page 2
Questions (306)
Explain how it is possible for a motorcycle (mass = 250 kg) to have the same momentum as a locomotive engine (mass = 2,500 kg)
i
3 answers
asked by
K
1,603 views
When a falling firecracker explodes, the momenta of its pieces _______.
A.vectorally add to equal the initial momentum of the
2 answers
asked by
Jammie K.
931 views
A woman with a mass of 56 kg runs at a speed of 8 m/s and jumps onto a giant 30 kg skateboard initially at rest. What is the
3 answers
asked by
brett
1,091 views
A particle of mass 5m moving with a speed v exploded and splits into two piece with masses of 2m and 3m. The lighter piece
3 answers
asked by
Nono phirmin
465 views
An 84.9 kg man is standing on a frictionless ice surface when he throws a 2.00kg book at 11.1m/s. With what velocity does the
3 answers
asked by
Aasim
1,360 views
Why might it be hard for the firefighter to hold the hose
steady when the water gushes out of the hose? Think about the law of
5 answers
asked by
alex
1,390 views
A sled initially at rest has a mass of 47.2 kg, including all of its contents. A block with a mass of 14.5 kg is ejected to the
2 answers
asked by
Anonymous
679 views
While driving in your pickup truck down Highway 280 between San Franscisco and Palo Alto, a meteorite lands in your truck bed!
2 answers
asked by
lia
103 views
A bullet of mass 0.045kg is fired from a gun of mass 9kg, the bullet moving with an initial velocity of 200m/s. Find the initial
2 answers
asked by
John Ofori
126 views
a car of mass 500kg is moving at 24m/s . a lion of mass 100kg drops on to the roof of the car from an overhanging branch. show
3 answers
asked by
bahiru woldemariam
472 views
A 1500-kg blue car is travelling south, and a 2000-kg red sports car is travelling west. If the momentum of the system
4 answers
asked by
Reynaldo
1,522 views
A 68.0 kg ice skater moving to the right with a velocity of 2.55 m/s throws a 0.16 kg snowball to the right with a velocity of
4 answers
asked by
Anonymous
1,125 views
An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 146
3 answers
asked by
D
3,143 views
A great white shark with a mass of 3000 kg swimming at 3.00 m/s swallows a 250 kg fish at rest. What is the speed of the great
3 answers
asked by
Katie
551 views
A 0.105-kg hockey puck moving at 30 m/s is caught and held by a 80-kg goalie at rest. With what speed does the goalie slide on
3 answers
asked by
kodi
498 views
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and
3 answers
asked by
Anonymous
1,055 views
A mine car, whose mass is 590 kg, rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of
3 answers
asked by
kb
1,044 views
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 2.95
3 answers
asked by
Kiante
1,117 views
A hockey puck with a mass of 0.16 kg travels at a velocity of 40 m/s toward a goalkeeper. The goalkeeper has a mass of 120 kg
3 answers
asked by
Anonymous
184 views
A 6.0 kg object at rest explodes into two parts. If part A has mass 2.0 kg and a velocity of 18.0 m/s right, what is the
4 answers
asked by
Dorian
468 views
Please check my answers on this physical science quiz, thanks
1. in which of the following scenarios are action and reaction
10 answers
asked by
stacy
3,782 views
You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between
4 answers
asked by
kaden
1,355 views
Two steel balls collide and bounce apart in an isolated system. If the final kinetic energy is less than the initial kinetic
3 answers
asked by
Anonymous
1,994 views
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 235 kg) that is also at rest. The
3 answers
asked by
Tara
911 views
1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal
mass. If the first stone moves
3 answers
asked by
Chanz
1,067 views
A 6.6 g bullet is stopped in a block of wood
(mw = 6 kg). The speed of the bullet-pluswood combination immediately after the
2 answers
asked by
Marie
559 views
Carmen is standing on a giant skateboard that is initially at rest. If we ignore frictional effects with the floor, what is the
1 answer
asked by
anonymous
860 views
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Atti (mass 12kg), moving horizontally at 4.0 m/s. Use
4 answers
asked by
Shannon
861 views
The magnitude of the momentum of a cat is p. What would be the magnitude of the momentum (in terms of p ) of a dog having two
3 answers
asked by
BigJoe
1,939 views
In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a
4 answers
asked by
chelsea
1,321 views
A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given
downward momentum? a. the
6 answers
asked by
HELP
2,004 views
A cannon of mass 200kg, fires a cannonball with a mass of 10kg. The cannon ball leaves the barrel of the cannon with a velocity
4 answers
asked by
Nelly
1,780 views
two campers dock a canoe. one camper steps onto the dock. this camper has a mass of 80 kg and moves forward at 4 m/s. with what
4 answers
asked by
sabeen
2,735 views
An explosion breaks an object into two pieces, one of which has 3.20 times the mass of the other. If 8000 J were released in the
3 answers
asked by
micole
919 views
A 40-kg child is standing still on a 10-kg skateboard, which is also at rest. If the child walks to the right at 2 m/s, what is
3 answers
asked by
Deb
711 views
A 15 g bullet is fired with a velocity of 200 m/s from a 6 kg rifle. What is the recoil velocity (in m/s) of the rifle?
1 answer
asked by
Abby
127 views
a 9.0 kg cannonball is flying 21.6m/s (E) when it explodes into two fragments. One 3.2kg fragment goes off at 10.3m/s (45degrees
1 answer
asked by
Hannah
243 views
A ball horizontally hits a wall at 5m/s and bounces back at -5m/s. The total momentum before is 1 kgm/s and after is -1 kgm/s.
3 answers
asked by
Alex
408 views
Lee Majors, a professional stuntman, is preparing to run off a dock and dive into a large kayak. The stuntman has a mass of 80.8
3 answers
asked by
Anonymous
791 views
Some students conduct an experiment to prove conservation of momentum. They use two objects that collide. Measurements are taken
3 answers
asked anonymously
198 views
Two ice skaters want to prove the conservation of momentum. Skater A has a mass of 72 kg and skater B has a mass of 55 kg. They
3 answers
asked anonymously
102 views
A 0.27 kf bullet is fired from a 4.1kg gun the bullet leaves the gun at a speed of 200m/s what os the recoil speed of the gun
2 answers
asked by
karmel
507 views
A very large firecracker explodes in the hallway into 3 fragments. Physics students rush to the scene to enrich their knowledge
2 answers
asked by
Maddie
538 views
I need help with some question. Please correct me if I naswered these wrong.
1. Assuming two objects are moving with the same
2 answers
asked by
Josh
361 views
a 4.0 kg object has a velocity of 4.0 m/s headed east. an explosion causes it to break up into two smaller 2.0 kg objects. if
1 answer
asked by
Anonymous
403 views
hockey puck with a mass of 0.18 kg travels at a velocity of 40 m/s toward a goalkeeper. The goalker mass of 120 kg and is at
3 answers
asked anonymously
154 views
How can you tell if momentum was conserved before and after
3 answers
asked anonymously
16 views
A 68.0 kg ice skater moving to the right with a velocity of 2.55 m/s throws a 0.16 kg snowball to the right with a velocity of
3 answers
asked by
Anonymous
542 views
If you throw a ball horizontally while standing on a skateboard, you roll backward with a momentum that matches that of the
1 answer
asked by
Miss Angie
788 views
A puck of mass m = 1.10 kg slides in a circle of radius r = 16.9 cm on a frictionless table while attached to a hanging cylinder
3 answers
asked by
HP
824 views
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Parent Categories (27)
Circular motion
Classical mechanics
Collision
Collisions
Conservation Laws
Dynamics
Energy Conservation
Forces and Motion
Kinematics
Kinematics (motion)
Kinetic Energy
Laws of motion
Linear Motion
Mechanics
Momentum
Momentum and collision
Momentum and Collisions
Momentum and force
Momentum and Impulse
Momentum and Newton's Laws of Motion
Motion
Motion and Forces
Newton's Laws
Newton's Laws and Momentum
Newton's Laws of Motion
Newtonian Mechanics
Physics