What is the mass of a car that has a speed of 30 m/s and a momentum of 45,000 kg, m/s

A particle of mass 5kg is pulled along a rough horizontal surface by a string which is inclined at 60° to the horizontal.

How many hours does it take for the sun's light to reach the edge of the solar system?

How much work is done by pressure in forcing 9.1 m3 of water through a pipe having an internal diameter of 15 mm if the difference in pressure at the two ends of the pipe is 2.2 atm

according to newton's second law of motion of the net force acting on the object increases while the mass of the object remains constant, what happens to the acceleration?

Maisie drags a 1kg mass along a table with a Newton meter so that it accelerates at 0.25 m/s. The Newton-meter reads 0.4N, calculate the force of friction between the mass and the table

Thomsonâs experiment is credited with the discovery of which particle?

When you drop a pebble from height h, it reaches the ground with kinetic energy k if there is no air resistance. from what height should you drop it so it will reach the ground with twice as much kinetic energy?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

What do you mean by kintic theory of matter