Homework Help: Mechanics _ physics

Posted by Precious on Thursday, February 14, 2013 at 2:03pm.

A wheel rotating with an angular velocity of 16rad/sec is slowed to an angular velocity of 4rad/sec by an angular acceleration of 2rad/sec^2.find
a. The angle turned in the process of slowing down
b. The time required

Mechanics _ physics - Henry, Friday, February 15, 2013 at 6:40pm
a. V^2 = Vo^2 + 2a*d.
d = (V^2-Vo^2)/2a.
d = (16-256)/-4 = 60 Rad.

b. t = (V-Vo)/a = (4-16)/-2 = 6 s.

Answer this Question

Related Questions

Physics - 1.(a)When a record player is stopped, the turnabble initially rotating...
science - please help...A wheel 1.0m in diameter is rotating about a fixed axis ...
physics - After 10.0 s, a spinning roulette wheel at a casino has slowed down to...
physics - After 10.0 s, a spinning roulette wheel at a casino has slowed down to...
Physics - The angular position of a point on the rim of a rotating wheel is ...
Physics - The angular position of a point on the rim of a rotating wheel is ...
physics help ; ) - 1.(a)A centrifuge accelerates from rest with an angular ...
PHYSICS - A spinning wheel on a fireworks display is initially rotating in a ...
Physics - A wheel starts rotating from rest with uniform angular acceleration....
science , physics - A person is riding a bicycle, and its wheels have an angular...

For Further Reading

First Name:
School Subject:
Answer: