A car traveling at 20 meter/second and is bouight to rest by applying brakes over a period of 4 seconds. what is its average acceleration over this time interval

How many minutes does it take a train starting at rest to reach a velocity of 22.0 kmh-1 at an acceleration of 0.2ms-2?

How are volcanic bombs lapilli and ash relate to tephra?

7) Sound waves travel with a nominal speed of 340m/s. Calculate the wavelengths of the following musical notes a) C1: 32.7 Hz b) A6: 1760.0 Hz c) B7: 3951.1 Hz

13/78 what is the simplest form for

If you run in a race, what variables would be important to control?

A 4.0 kg food pack was dropped from a height of 200 m by a helicopter during flood relief operations. At what velocity will the food pack be falling halfway to the ground?

The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true? The mechanical waves reach Earth, while the electromagnetic waves do not.

A 3-kg mass is in free fall. What is the velocity of the mass after 7 seconds?

How does the role of blood protect the body

What is the objects velocity if the momentum is 6.0 kg•m/as