What is the speed of a wave if the wavelength is 100 m and the period is 20 s?

a. 2000m/s

b. 80m/s

c. 120m/s

d. 5 m/s

Which is the goal of science? A. to develop new technology B. to test hypotheses C. to expand knowledge D. to apply information

The current in a hair dryer measures 12 amps. The resistance of the hair dryer is 12 ohms. What is the voltage?

For each of the following (a through d), indicate which is a variable and which is a constant:a. The number of minutes in an hour. b. Systolic blood pressure. c. Freezing temperature of water in degrees Kelvin. d. Ratings of daily anxiety.

F = kx k = ? F/x x/F F + x F - x

If a certain silver wire has a resistance of 3.00 Ï at 11.0°c, what resistance will it have at 25.0°c?

Which of the following best explains why a magnet sticks to a refrigerator? the magnet is

If the truck has a mass of 4,000 kilograms, what is its momentum? Express your answer in kg x m/s

Using diagram differentiate between solenoid and a toroid

If a gas has a gage pressure of 156 kPa, its absolute pressure is approximately

Which factor affects elastic potential energy but not gravitational potential energy?