An object is dropped from rest.

What is its instantaneous speed when it has

been in motion for 5 s? The acceleration of

gravity is 9.8 m/s?.

Wave A has a long fetch. Wave B has a short fetch. Which of the following statements is true? Wave A is more powerful than Wave b. Wave B is more powerful than Wave a. Both waves are equally powerful.

A person walks 5.0kilometers north, then 5.0 kilometers east. His displacement is closest to? A. 10 kilometers northwest B. 7.1 kilometers northwest C. 10 kilometers northeast D. 7.1 kilometers northeast

What are precautions in a simple pendulum experiment

Satellite A orbits the earth at a height 3.00 times the earth's radius. Satellite B orbits the earth at a height 2.00 times the earth's radius.

7. Which of the following is NOT always true about a synthesis reaction! a. One product is formed. b. There is only one reactant. c. The general formula is A + B → C. d. A reactant might be a compound, or it might be an element.

An eagle carries a fish up 50 m into the sky using 90 n of force. how much work did the eagle do on the fish

Consider a steel guitar string of initial length l=1.00m and cross-sectional area a=0.500mm2. the young's modulus of the steel is y=2.0*1011n/m2.

What is the most advanced life form on earth

How do power plants generate electricity?

How much work would it take to move a coulomb charge across a 4 volt potential difference?