Describe the difference between velocity and speed?

A pendulum of length l is suspended from the ceiling of an elevator. When the elevator is at rest the period of the pendulum is t. How does the period of the pendulum change when the elevator moves downward with constant acceleration?

A boat is headed with a velocity of 18 meters/second toward the last with respect to the water in the river. if the river is Flowing with the velocity of 2.5 meters/second in the same direction as the boat.

Another word for the molten rock that is found in the Earth's mantle is

Two pans of a balance are 65.3 cm apart. The fulcrum of the balance has been shifted 1.48 cm away from the center by a dishonest shopkeeper.

What is mummification?

Our warmest month is august Weather or Climate?

A company in san francisco uses petroleum products to make plastics arrange the sentence in the correct order to show how the company could be contributing to climate change. 1) Burning fuel realeases greenhouse gases.

In a given medium, all sound waves move: A. in the same direction. B. with the same amplitude. C. with the same frequency. D. with the same speed.

A. 105-kg hockey puck is moving at 49 m/s is caught by a 75-kg goalie at rest. With what speed does the goalie slide on the ice?

A rocket is fired at 100 m/s at an angle of 37, how many seconds is it in the air?