Are we the same age as the universe because matter cannot be created nor destroyed

A car is travelling down a straight road. The driver presses on the accelerator but the car does not change speed. How is this possible?

Any measurement that includes both magnitude and direction is called

A ball with a mass of 0.50 kilograms is moving at a speed of 1.8 meters/second along the positive x-axis. It collides with another ball of the same mass travelling at a speed of 2.0 meters/second toward the positive y-axis.

A 60 kg bicyclist going 2 m/s increased his work output by 1,800 J. What was his final velocity?

A small town is located near a body of water, and enjoys cooler temperatures than other areas in the same climate zone. This is an example of a a - dry climate. b - polar climate. c - microclimate d-climate zone.

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?

For which one of the following situations will the path length equal the magnitude of the displacement? a A ball on the end of a string is moving in a vertical circle. b A toy train is traveling around a circular track.

A poem on the body system

How many stars, approximately, are in the solar system?