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A 122 kg astronaut (including space suit) acquires a speed of 2.50 m/s by pushing off with his legs from a 1900 kg space capsule.
An object of mass 2 kg travelling in a straight line with a velocity of 20m/sec collides with, and strikes to, a stationary object of mass 3 kg.
Two observers agree to test time diliation. They use identical clocks, and one observer in frame s' moves with speed v=0.6c relative to the other observer in s
At the time given above the object is travelling towards the northwest with an angle of 45 degrees with the horizontal and hit another object mass.
If a metal ball strikes a pendulum and sticks to it. It will have a relationship for conservation of momentum of m*v = (m + M) *V .
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.
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.