A ball is dropped and falls with an acceleration of 9.8m/s^2 downward. it hits the ground with a velocity of 49m/s downward. how long did it take the ball to fall to the ground

Describe a situation in which you can accelerate even though your speed doesnt change

Determine the height of this object: a 1-kg pendulum has a speed of 2 m/s. A. 9.8 m B. 2 m C. 7.8 m D. 0.20 m

The speed of sound in sea water is about 1530 m/s. If a sound wave has a frequency of 2.50 x 10^2 Hz, what is its wavelength in sea water

What two traits must a viable hypothesis have? Testable and true. Measureable and factual. Testable and falsifiable. Be in the form of question and be based on previous work.

Distinguish between the cell wall and the cell membrane in a plant

At what temperature did the substance in the test tube into a solid?

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

When is a body said to be at rest

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him