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A bullet of mass 5X10^-3kg is fired from a 4kg gun with a speed of 320m/sec. With what speed does the gun recoil?
A pitcher claims he can throw a 0.145 kg baseball with as much momentum as a speeding bullet. Assume that a 3.00 g bullet moves at a speed of 1.50 x 10^3 m/s.
A bullet of mass M= .0052 kilogram moving horizontally at speed V=672 m/sec, stikes a stationary wood block of mass m= 0.700 kilogram.
Without changing our pattern of thought, we will not be able to solve the problems we have created with our current pattern of thought
A shell is fired from a gun with a muzzle velocity of 14 m/s, at an angle of 60° with the horizontal.
Solution shows how to develop the algebra to determine the velocity of a nuclear particle fragment resulting from the fragmention of a nuclear particle
A spaceship moves with speed vs = 0.80c directly towards a space station. It dispatches a food supply package
In Fig.a, a 5.1 kg dog stands on an 21 kg flatboat and is 6.1 m from the shore. He walks 2.1 m on the boat toward shore and then stops.
The vehicles interlock and move off together. Find their velocity (magnitude and direction).
While riding on an elevator descending with a constant speed of 2.4 m/s, you accidentally drop a book from under your arm
A space ship, at rest in a certain reference frame S, is given a speed increment of 0.46c (call this boost 1).
What is the magnitude of the change of her momentum between when she is at the top and bottom of the Ferris wheel.
Suppose the speed of light were 100 mph. Trains on parallel tracks are approaching each other at speeds of 92.64 mph and 87.89 mph
A spaceship moves away from Earth at a speed 0.874c and fires a shuttle craft that then moves in a forward direction at 0.21c relative to the ship.
A 9.72-g bullet is fired from a 30-30 rifle at a speed of 728 m/s into the 1.250 kg block of ballistic pendulum suspended by strings 3.9 m long.
A spaceship travels with a speed of 0.6 c as it passes by the Earth on its way to a distant star, as shown in the diagram below.
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 25000 V.
The linear momentum of a runner in a 100-m dash is 7.5 * 10 kg * m/s. If the runner’s speed is 10m/s, what is his mass?
An observer at r = r1 in Schwarzchild geometry sends a light signal in the radial direction toward r = r2 where r2 > r1.
Tom's rocket ship is moving away from Kathy at 0.75c. He fires a laser beam in the backward direction, toward Kathy. According to Galilean relativity.
In classical physics, and in your everyday experience, lengths and times seem to be the same no matter who measures them.
If a disk rotating at 800 rpm couples to a stationary disk with three times the moment of inertia, what is the angular speed of the combination?
Each man runs with a speed of 3 ft/s measured relative to the cart. Determine the final speed of the cart if a.) A runs and jumps off, then B runs and jumps.
A man weighs 150lb and jumps onto a boat which is originally at rest. If he has a horizontal component of velocity of 3 ft/s just before he enters the boat.
Consider a ducted propeller system, which is moving forward at a velocity V1. Analyse the system by assuming the duct remains stationary.