Aspring is stretched to a length of 5.40 m. you generate a standing wave using a frequency of 4.75 hz. if there are 5 antinodes along the spring, then the speed of the wave in the spring is m/s. (record your
three-digit answer on the answer sheet.)

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.)

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Could someone . i have tried to solve myself but my calculation is off