A skier leaves the horizontal end of a ramp with a velocity of 20m/s and takes 3.5 seconds to land to the ground. The height of the ramp is m and he lands m from the edge of the ramp.

If you mix chlorine lithium in nickel together which two elements would be the most reactive

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?