Speed is the rate at which what happens?

Which of the following is not a characteristic of a sound wave? A) it is longitudinal B) it transfers energy by moving the medium perpedicular to the motion of the wave C) it transfers energy by moving the medium parallel to the motion of the wave

What are the five senses that we use to make observations in Science?

A 1.8 kg book had been dropped from the top of the football stadium. It's speed is 4.8 m/s when it is 2.9 meters above the ground what is its mechanical energy?

Which of the following is the densest layer of the solid Earth? atmosphere crust mantle core

Compressed gases aren't ideal. Let's consider a gas that's non-ideal only because the volume available to each of the N molecules is reduced because each other molecule occupies volume v. Instead of pV=NkT, we get: p (V-Nb) = NkT. Let b=1.

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°

What is the length of a simple pendulum with a period of 2.0 s?

How many electrons are necessary to produce 1.0 c of negative charge? (e = 1.60 Ã 10-19 c) ?

A car is traveling at 64 ft/s when the brakes are fully applied, producing a constant deceleration of 18 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.)