How long in seconds will it take a car traveling at 100 miles/hour to travel the length of an American Football field?

An experiment measures the growth of crystals in a liquid solution aboard the space shuttle. A collection of bottles has the liquid in varying strength, or concentration of the tested substance.

Neglecting air resistance, the horizontal velocity of a projectile

Consider the interactions involved when you use a TV remote control to change the channel. Classify each interaction as long range or short range.

A cylindrical cistern, constructed below ground level, is 2.9 m in diameter and 2.0 m deep and is filled to the brim with a liquid whose index of refraction is 1.4. A small object rests on the bottom of the cistern at its center.

The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity.

Which is heavier, the earth or the moon

if the separation between two masses is doubled, does the gravitational force between them increase or decrease? By what factor?

A model rocket is fired vertically upward from rest. Its acceleration for the first three seconds is a (t) = 66 t, at which time the fuel is exhausted and it becomes a freely "falling" body.

If a man walks 17m east and then 17m south, the magnitude of the man's displacement is

Which type of mass movement makes a pattern of wrinkles, or terraces, on hillsides? landside mudflow soil creep rock slide