Two people are paddling upstream in a canoe, one person uses a force of 100 n and the other exerts 150 n and the other exerts 150 n and the other exerts 150 n in the same direction. the river is creating a drag force of 25 n on the canoe. what is the net force?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the

If frequency goes up, what happens to wavelength? does it get shorter or longer?