While sitting motionless in a 5 kg friction free wagon, an 80kg clown catches a 15 kg cannonball traveling horizontally at 20 m/s. After the cannonball is caught, at what speed do the clown, wagon, and ball move?

What is the kinetic energy of a 1150 kg sports car traveling down the road with a speed of 29 m/s?

How can you make spherometer more sensitive

A sample of hydrogen gas will behave most like an ideal gas under the conditions of (1) low pressure and low temperature (2) low pressure and high temperature (3) high pressure and low temperature (4) high pressure and high temperature

If there are 50 grams of U-238 on day zero of radioactive decay, how much will there be after 4.5 billion years

An arrow is shot from a height of 1.55 m toward a cliff of height H. It is shot with a velocity of 26 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 3.99 s later. (a) Draw a sketch of the given example.

What is resistance? Difference between resistance and resistivity.

What is meant by the statement, "a thermometer measures its own temperature"?

How does electrical forces act on a maglev train

Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another.

How does momentum before an inelastic collision compare to the momentum after the collision?