How does a sound wave transfer energy to your ears? a. particles in air move in circles as the wave moves forward. b. particles in air move forward but not backward as the wave moves forward. c. particles in air move up and down as the wave moves forward. d. particles in air move forward and backward as the wave moves forward.

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

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?