The function of a capacitor in an electric circuit is to

A. increase circuit power.

B. measure the amount of current in the circuit.

C. allow current flow between its plates.

D. store electric charges.

Which process is not required for an animal to obtain energy from food?

Which force acts as an object to move it from rest or a constant straight-line motion? A. unbalanced B. Along a straight line C. Inertial D. Balanced

Assume a change at the source of sound reduces the wavelength of a sound wave in air by a factor of 15. (i) what happens to its frequency?

9. Santa brings a special baby a bouncy swing. The child bounces in a harness, with a spring constant k, and is suspended off of the ground. a. If the spring stretches x1 = 0.27 m from equilibrium while supporting an 7.

According to Boyle's Law, increasing the pressure of a gas will have which effect on its volume?

An airplane of mass 12,000 kg flies level to the ground at an altitude of 10.0 km with a constant speed of 175 m/s relative to the earth. (a).

Observe some of the phenomena around your home. Look for something that you can't explain right away, but that you could test with an experiment. Then, design an experiment that you could conduct at home.

Josh has a toy car of mass 3 kg tied to a string of length 2 m. He ties the string to a pole and has the toy car drive in a circle around the pole at a speed of 3 m/s.

A 10kg object is 15 meters up a hill. find its potential energy?

These can cause electrical problems on earth