- #1

vipertongn

- 98

- 0

Relevent equations: ωf = ωi + αt

My work:

I found out the time by (48 rev)(1min/3400 rev)(60 sec/min) = 0.847 seconds

I then converted the rev/min to rad/sec (3400 rev/min)(2pi/1rev)(1min/60sec)= 356 rad/sec

So I set the problem up like 0=356 rad/sec + α(0.847 seconds)

-356/0.847=α

α = -420 rad/s^2