A locomotive has a mass of 200,000kg. It is moving at 4.5m/s. Find its momentum.

Give me a example of a decomposer. Explain what would happen if decomposers were absent from a forest ecosystem

Describe the structure of an atom

To keep a date, such as june 15, from being separated between lines of a document, where the word june might display on one line, with 15 on the next, you could:

The brakes application to a car produce an acceleration of 6ms2 in the opposite direction to the motion. If the car takes 2 second nonstop after the application of brakes, calculate the distance it travels during this time

A car moving at 16.0 m/s, passes an observer while its horn is pressed. the velocity of sound is 343 m/s and the frequency of the sound of the car's horn is 583 hz. if the car is coming toward you, what frequency would you hear?

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.