An object starts 1.7 m to the North of a lamppost. It travels at a constant velocity for 6.1 seconds and ends up 9.5 m south of the lamppost. When was it 1.0 m south of the lamppost?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.