A wave source recedes from you at 11.5 m/s , and the wavelength you measure is 28 % greater than what you would measure if the source were at rest. What is the wave speed?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Difference between series and parallel circuits

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.