You apply 100.0n of force to a machine. the machine applies 20.0n of force to the load. what is the mechinical advantage of the macheine

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Explain what makes a passenger in a turning car slide toward the door. critical thinking

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit: