If the frequency of a sound wave is 250 hertz and its wavelength is 1.36 meters, what is the wave's velocity?

The amplitude of a sound wave determines its loudness pitch frequency wavelength

if you have to apply 40 N of force on a crowbar to lift a rock that weighs 400 N, what is the actual mechanical advantage of the crowbar?

An object with a mass of 2.0 kg accelerates 2.0 m/s squared when an unknown force is applied to it. What is the amount of the force?

A spacecraft is traveling in interplanetary space at a constant velocity. What is the estimated distance traveled by the spacecraft in 9.50 seconds?

How do we use light in space?

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?