1. Calculate the mechanical advantage of a machine that has an input force of 13 N and

an output force of 65 N.

Two Velocities in a Traveling Wave? Wave motion is characterized by two velocities: the velocity with which the wave moves in the medium (e. g., air or a string) and the velocity of the medium (the air or the string itself).

Im so hopeless no one can answer my homework question and its due tommorow : ( How much pressure is exerted when air is being compressed?

A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. it starts from rest and accelerates uniformly under the action of the constant torque of 0.600 n? m that the motor exerts on the wheel.

In a food chain, which trophic level contains the greatest amount of energy? A. decomposers B. producers C. herbivores D. carnivores

if an object is moving at a constant speed, the forces acting on it must be ___. Another way to say this is that the net force = __.

In which of the following situations is the greatest amount of work accomplished? A boy lifts a 9-newton box 0.3 meters. A boy lifts a 4-newton box 0.6 meters. A boy lifts a 6-newton box 0.3 meters. A boy lifts a 2-newton box 0.6 meters.

polymers can be produced in large quantities at low cost.

Hydrogen is a colorless, tasteless, and odorless gas.

What is ethical behavior as it relates to sports

The primary source of most of the moisture for the earths atmosphere is