Which of the following expressions for power or dimensionally correct?

You are ice skating on a rink in a friends backyard. you hit a stick that has frozen in the ice, and your skates stop suddenly. your body continues to move forward because of A. Inertia B. Friction C. Gravity D. Speed

The metric unit of force is the

What is the wave speed of a wave that has frequency of 100 Hz and a wavelength of 0.30 m?

What factors affect where a plant or animal lives

In a typical lightning strike, 2.9 c flows from cloud to ground in 0.18 ms. what is the current during the strike?

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy

Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.5 m long, its mass is 0.42 kg, and the force exerted on it by the children is 71 N.