A wave is moving at the rate of 40 cm/s. Its wavelength is 8 cm.

What is the frequency of the wave?

5 Hz

320 cm

320 Hz

5 cm

What happens when an object transfers energy?

If the velocity of a moving car increases from 9.0 m/s to 25.0 m/s in the span of 5 seconds, what is the average acceleration during this time period, in m/s2

A water holding tank measures 105 m long, 40m wide, and 11m deep. Traces of mercury have been found in the tank, with a concentration of 60mg/l. What is the total mass of mercury in the tank?

A welder using a tank of volume 7.20 x 10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol) at a gauge pressure of 3.20 x 10^5 Pa and temperature of 39.0°C. The tank has a small leak, and in time some of the oxygen leaks out.

A bus accelerates at - 0.5 m/s2 for 12.5 seconds. If the bus had an initial speed of 31 m/s, what is its new speed?

Fluorine-21 has a half-life of approximately 5 seconds. What percentage of the original nuclei would remain after 20 seconds

Which of these is an example of a totalitarian regime A.) Canada under prime minister Trudeau's rule B.) the Soviet Union under Josef lo

Since 1 pound = 4.45 newton, what is your earth weight in newtons?

A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.

What forces are acting on matter through contact or no contact