There is an electric train heading north which way would the smoke blow.

Is a decrease in velocity considered an acceleration

Change in momentum and Impulse Work out the changes in momentum in the following cases: a a mass of 3 kg slows from 3 m/s to 1.5 m/s (2 marks)

Would you be doing more work going up the stairs twice as fast?

An object that is moving will stop moving when A. the force that is making it move stops pushing it. B. it has stopped speeding up. C. something pushes or pulls it to a stop. D. it has used up all its momentum.

Tungsten is am element with 74 protons and 109 neutrons. What is tungsten's atomic number? how many does tungsten have?

A laboratory dish, 20 cm in diameter, is half filled with water. One at a time, 0.50/µL drops of oil from a micropipette are dropped onto the surface of the water, where they spread out into a uniform thin film.

The process that converts liquid to gas is melting true or false

A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mm Hg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mm Hg atmospheric pressure.

A packing crate rests on a horizontal surface. It is acted on by three horizontal forces: 600 N to the left, 200 N to the right, and friction. The weight of the crate is 400 N.

Which type of radiation has the lowest penetrating ability?