The figure below shows three cylindrical copper conductor along with their face areas and lengths compare the resistance and the resistibity of the three conductors justify your answers

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly

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.

An impulse is the product of the on an object and time during which it is applied