A couple walking in the park strolls 1.5 km in 60 min. What is the couple’s average speed in m/h?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.