How do you find the net force acting on an object?

A. Find the largest force on the object.

B. Find the reaction force.

C. Assume there is no friction.

D. Add all the force vectors.

Two glasses of water have the same thermal energy so do they have to have the same temperature

If a single strand of DNA were stretched out, how far would it reach?

Which type of waves are whale songs in an ocean?

What is a natural form of pollution?

Why do the positions of stars change in the universe?

Calculate the fundamental frequency of a 4 meter organ pipe that is open at both ends. assume that the temperature is 20◦c and the speed of the sound is 344 m/s. answer in units of hz.

how does earth's rotation affect our view of stars

An empty propane tank dropped from a hot air balloon hits the ground with a speed of 143.8 m/s. from what height was the tank released?

Does a liquid give off energy or absorb energy when it turns into a gas? when it turns into a solid?

A cart starts at x = + 6.0 m and travels towards the origin with a constant speed of 2.0 m/s. What is it the exact cart position (in m) 3.0 seconds later?