Ahorizontal force of 300 n is applied to move a 55 kg sofa across a 10 m level surface. what is the net work done by this 300 n force?
a. 0 j
b. 550 j
c. 3000 j
d. 16500 j

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

At what time will the interfering waves have an amplitudeof zero?

Diverging mirrors and lenses always produce images