g When a fixed amount of ideal gas goes through an isothermal expansion, A) its pressure must increase B) its temperature must increase C) its internal (thermal) energy does not change D) no heat enters or leaves the gas E) the gas does no work

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

The speed of light can be used to measure the