Camping equipment with a mass of 523-kg is pulled across a frozen lake by a horizontal rope. If the ice has a coefficient of kinetic friction of 0.06, how much work (in J) is done by the campers pulling their equipment 710-m at a constant velocity

Asample of a gaseous substance changes into liquid. this process is called (blank) and it takes place when heat is (blank) a gaseous system

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.