Question 4 of 10 A wave has a wavelength of 0.05 m and a wave speed of 10 m/s. What is the
frequency of the wave?
A. 2.0 Hz
B. 200 Hz
C. 0.50 Hz
D. 5.0 Hz

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?