Wha is amplitde in sound

The slope of the distance-time graph is equal to the A. speed B. acceleration C. displacement D. motion

1. A car travels in a circle with constant speed. Which of the following is true? A. The net force on the car is zero because the car is not accelerating. B. The net force on the car is directed forward, in the direction of travel. C.

Do all frequencies of sound at 40 decibels seem equally loud to your ears? explain

Who first used the word "atomos"

A trained sea lion slides from rest down a long ramp into a pool of water. If the ramp is inclined at an angle of 23° above the horizontal and the coefficient of kinetic friction between the sea lion and ramp is 0.26.

What are the equations for acceleration and net force?

Which is a diatomic molecule? A. Ar B. CO C. CO2 D. NaCl

A sample of N-type silicon is at the room temperature. When an electric field with a strength of 1000V / cm is applied to the sample, the hole velocity is measured and found to be 2 * 105 cm/sec. a.

Which of the following is a vector quantity? A. 83 ounces of liquid B. 55 km/hr in a truck C. 15 seconds of travel D. 10 m/s down

Which of the following best describes the ultraviolet catastrophe of blackbody radiation? A. As energy is added to an object acting as a blackbody radiator, its emissions move to the ultraviolet part of the electromagnetic spectrum. B.