brian is at school and wants to walk home . how far and in what direction should he travel? a negative value means the negative x-direction and a positive value means the positive x-direction .

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical