Which of the following is a chemical equation that accurately represents what happens when a sulfur and oxygen are produced from sulfur trioxide?
a. 2s + > 2so3 b. > 2s+3o2
c. s+ > so3
d. > s+o2

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

Match each scenario to the form of energy it represents

What is friction? how does it affect the motion of an object?