Low energy waves
a.) short wavelengths and low frequencies
b.) long wavelengths and low frequencies
c.) short wavelengths and low frequencies
d.) long wavelengths and high frequencies

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)

Need this now! do pilots live long

Which is the most accurate name for the ionic compound cas?