An ultrasound wave vibrates 30,000 times per second. what is the frequency

Which statement BEST describes the benefits of muscular fitness training?

An airliner lands with a speed of 47.0 m/s. Each wheel of the plane has a radius of1.25 m and a moment of inertia of 110kgm2. Attouchdown the wheels begin to spin under the action of friction. Each wheel supports a weight of 1.

Sound waves can combine to become bigger or smaller true or false

The total electric flux through a closed cylindrical (length = 1.2 m, diameter = 0.20 m) surface is equal to - 5 0. Nm / C^2. Determine the net charge within the cylinder in pC? (εo = 8.85z10^-12) a) - 71 b) - 62 c) - 53 d) - 44 e) - 16

Chris operates a small sign-making business. He finds that if he charges x dollars for each sign, he sells 44-x signs per week. What is the smallest number of signs that he can sell to have an income of $420 in one week?

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching