A freight train rolls along a track with considerable momentum. If it rolls at the same speed but has three times less mass, its momentum is A) zero. B) three times smaller . C) four times smaller. D) unchanged. Justify your choice.

Q: A tiger is running in a straight line. If we half the mass and double the speed of the tiger, what…

A: Let the mass of the Tiger is mand its speed is ν In the given question we have asked that if we half…

Q: 4. If a 40 Kg object has a momentum of 400Kg*m/s, how fast is it traveling? 5. If an object…

A: Given mass m=40 kg momentum p=400 kg.m/s v=?

Q: approximate the orb

A:

Q: 5. Two bodies of mass m each move with the speed v, forming an angle a with each other (see figure).…

A:

Q: A body with a mass of m1 =3kg moves with a velocity of υ1 =6m/s and overtakes another body weighing…

A:

Q: ) What is the momentum of a 2000kg car moving at 80 km/h? a) 4.44´105kg·m/s b) 1.60´105kg·m/s c)…

A: 1. Given: Mass of the car=m=2000 kg The velocity of the car: v=80 km/hv=80×1000 m3600 sv=22.22 m/s

Q: From my window, I see a moving car with a large momentum.  If the car moves at the same speed but…

A:

Q: A body is initially at rest. It explodes into two objects of mass 1 Kg and 2 Kg moving with a speed…

A: Given: A body is initially at rest. It explodes into two objects of mass 1 Kg and 2 Kg moving with a…

Q: A freight train rolls along a track with considerable momentum. If it rolled at the same speed but…

A: Let velocity of train is v0 and mass m0 Momentum is defined as  Momentum (P ) = mass × velocity  Pi…

Q: To change the momentum of a rocket (increasing momentum) is by applying a constant Force (engines)…

A: A constant force on rocket is applied to increase the momentum of rocket. Simultaneously the fuel of…

Q: A batter applies a force of 7000 N to a baseball. The time of contact between the bat and ball is…

A: Given data:  Force (F) = 7000 N Time interval (Δt) = 0.0016 s Mass (m) = 0.14 kg Initial velocity =…

Q: A small car that was moving at 23 m/s collides with a large truck that was moving at 15 m/s. Which…

A: Solution: Consider a car moving at a speed of 23 m/s colliding with a large truck that is moving at…

Q: A railroad car with a mass of 5 x 10^5 kg collides with a stationary railroad car of equal mass.…

A: Given  Mass of  both cars is same  m = 5× 105 kg

Q: Starting at t = 0, a net force F = 1.5 t 2 N in the positive x direction acts of an object of mass…

A: (a) From Newton’s second law of motion.

Q: A particle has a kinetic energy of 421 J and a momentum of magnitude 32 kg m/s . What is the speed…

A:

Q: Which of the following has the greatest momentum? a) Truck with a mass of 2250 kg moving at a…

A:

Q: If two objects collide and one is initially at rest, is it possible for both to be at rest after the…

A: Both objects can't be at rest. It's possible for one among the objects to be at rest after the…

Q: A body can have energy without momentum. a) True b) False

A: For a system having internal energy greater than zero, momentum wouldn't be there.

Q: rocket has a mass of 2.61 x 106 kg.

A: Given: Mass of rocket is m=2.61×106 kg Velocity of rocket is v=1.15×104 m/s Note: 1 N= 1kg·m/s2 1…

Q: (1) A large moving ball collides with a small stationary ball. The momentum  a. of the large ball…

A:

Q: A 3.67 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for…

A:

Q: SpaceX's Falcon Heavy rocket with a mass of 1.42 x 10^6 kg is launched straight upward at 1.8 m/s.…

A: As per our guidelines we will solve first thtree subparts for you. To get remaining subparts solved…

Q: A freight train rolls along a track with considerable momentum. If it rolls at the same speed but…

A: According to question if we three time as much the mass then what is change in momentum.

Q: If an object of mass 8 kg has a velocity of 7 m/s, what is its linear momentum? a) 56 kg-m/s b)…

A:

Q: 2. A 1200kg car collides with a concrete wall at a speed of 15 ms^-1 and takes 0.06s to come to…

A: Write the given values with suitable variables. m=1200 kgu=15 m/sv=0 m/st=0.06 s Here, m is the…

Q: Two equal mass train cars move towards each other at the same speed. They link together and both…

A: Law of conservation of momentum:- According to the rule of conservation of momentum, absent an…

Q: Two spheres of molten rock, both moving in the positive y-direction, collide in space. One sphere…

A:

Q: If an object of mass 8kg has a velocity of 6 m/s, what is its linear momentum? a) 48 kg x m/s^2 b)…

A:

Q: Consider a garbage truck with a mass of 1.2 × 104 kg, which is moving at 12.5 m/s. a)What is the…

A: a) The momentum of the truck Momentum gives the relationship between the velocity of the object and…