the specific heat capacity of solid copper metal is 0.385 j/gk. how many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0°c to 77.5°c?

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

The air that we breath is made mostly of which gaseous molecule

How do the kidneys affect homeostasis