Projectile motion is a type of motion caused by an object being dropped to the earth's surface. The force that is the cause of this motion is gravity. The object first goes upwards then is forced to come downwards. In this...
Questions: 10 | Attempts: 5439 | Last updated: Sep 23, 2020
Acceleration can be defined as the rate at which an object changes its position.
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Questions: 7 | Attempts: 2498 | Last updated: Dec 3, 2015
A stone with an initial velocity of zero is dropped from a bridge above a river. After 3 s, the stone strikes the water below the bridge. Approximately how fast is the stone traveling when it strikes the water?
Questions: 20 | Attempts: 1461 | Last updated: Jan 29, 2013
In the equations below, the vertical acceleration of a projectile is known to be 9.8m/s/s(the acceleration of gravity).