Asked by Riley

A wheel has an initial velocity of 3.40rad/s and it rotates 1.25 revolutions before stopping
what is the angular acceleration of the wheel
how long does it take for the wheel to come to rest

Answers

Answered by Scott
ave speed is half of max ... 1.70 rad/s

stopping time ... 2.50 π rad / 1.70 rad/s

ang acc ... 3.40 rad/s / stopping time
Answered by M@S
1.25 revolutions = 3.93 radians
2(a)(S)= wf^2 - Wi^2
2 (a)(3.93) = 0^2 - (3.40)^2
7.85a = -11.56
a = -1.472 rad/s/s
So
wf = wi +at
0 = 3.40 - 1.472t
t = 2.3 s
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions