Question

I will give its a brilliant answer

Answer 1

$t = 16s \\ w2 = w1 + \alpha t \\ 1320 = 1200 + \alpha 16 \\ \alpha 16 = 120rpm = \frac{120}{60} rps = 2 \\ \alpha = \frac{1}{8} \\ 120 = 2\pi \times n \\ n = \frac{120}{2\pi} = \frac{60}{\pi} = 19.09 \: rev$

Answer 2

Answer:

in tha above case tha motor wheel is 1320 by tha to tha wave formation