Overtones show up at approximately which two sets of wavenumbers?

Overtones occur when a vibrational frequency mode is excited from v=0 to v=2, which is called the first overtone wave number, or v=0 to v=3, the second overtone wave number.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

well, you would divide 135 by 33 to get your answer. then that is how many seconds it would take. boardman should fly about 132 m or 4.090909090909091 seconds.