Based on the figure, a sound of a given frequency will have the highest intensity for which of the following sets of conditions?
Select your answer.
Sound is passing through water.
S = 100%
Sound is passing through water
S = 10 %
Sound is passing through air
S = 100%
Sound is passing through air.
S = 10-8%

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Positrons are spontaneously emitted from the nuclei of

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.