As seen from earth (rest frame S) two rockets A and B are approaching in opposite directions, each with speed 0.9c relative to S. Find the velocity of rocket B as measured by the pilot of rocket A.

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.

Describe the work performed by a ski lift in terms of kinetic and gravitational potential energy