If a machine has 100% efficiency, it means that

A. output work is equal to input work.

B. output force is equal to input force.

C. output work is twice the input work.

D. output force is twice the input force.

Name two examples of deposition.

Why do some things float but others sink if they have the same mass?

What are metals and non metals

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today? A) They are being formed as a type of methane which we cannot use. B) We are depleting the fossil fuels much faster than they can form.

If the wavelength of a set of waves is 20 feet long, how deep is the wave base?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?

How can you tell one element from another?

Which of the following is not an accurate statement about the attitude of teenagers when driving