What unit is used to measure loudness and at what level can hearing loss happen?

A 100 W engine runs for 1 minute. How much work does it do? A. 1000 J B. 600 J C. 100 J D. 6000 J

As the skater loses mechanical energy what happens to thermal energy

A model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s² until its engines stop at an altitude of 150 m. a. What is the maximum height reached by the rocket? b.

what is the acceleration of a cabinet of mass 45 kg if Jake and Ted push it by applying horizontal force of 25 Newtons and 18 Newtons respectively in the same direction

What are two ways you can increase the magnetic field of an electromagnetic?

The equation e = mc2 relates mass and a. energy b. force c. work d. gravity

What should a scientist do to use scientific methods for determining the relative age of Earth's rocks? A be biased in opinion B disregard views of others C use creative ideas D prove that methods are non-testable

If a sample of gas is heated at a constant pressure what will happen to the volume of the gas

1. What is the speed of sound in air that has a temperature of 90.0 °C?

What effect does a doubling of the mass have upon the acceleration of the object? Be quantitative.