What happens to the wavelength of a wave when the frequency of the wave is doubled but the wave speed stays the same?

You can decrease the resistance of a length of wire by

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Astudent pushes a 40-n block across the floor for a distance of 10 m. how much work was applied to move the block? a. 4 j b. 40 j c. 400 j d. 4000 j