# physics

posted by .

A cooling fan is turned off when it is running at 880 . It turns 1300 revolutions before it comes to a stop.

What was the fan's angular acceleration, assumed constant?

How long did it take the fan to come to a complete stop?

• physics -

What are the units that go with the number 880? rpm?

• physics -

-0.57

## Similar Questions

1. ### Physics

When a ceiling fan rotating with an angular speed of 1.65 rad/s is turned off, a frictional torque of 0.263 N·m slows it to a stop in 4.75 s. What is the moment of inertia of the fan?
2. ### Physics

A ceiling fan is rotating at 0.70 rev/s. When turned off, it slows uniformly to a stop in 2.9 s. (a) How many revolutions does it make in this time?
3. ### Physics

A ceiling fan is rotating at 0.70 rev/s. When turned off, it slows uniformly to a stop in 2.9 s. (a) How many revolutions does it make in this time?
4. ### Physics

A cooling fan is turned off when it is running at 920 rev/min. It turns 1100 revolutions before it comes to a stop. What was the fan's angular acceleration?
5. ### Physics

The blades of a fan running at low speed turn at 200 rpm. When the fan is switched to high speed, the rotation rate increases uniformly to 340 rpm in 5.92 s. (a) What is the magnitude of the angular acceleration of the blades?
6. ### physics

A cooling fan is turned off when it is running at 870 rev/min. It turns 1200 revolutions before it comes to a stop. What was the fan's angular acceleration, assumed constant?
7. ### physics

A ceiling fan is rotating 245 times each minute. What is its frequency?
8. ### Physics

When switched off, a spinning ceiling fan slows down with an angular acceleration of 1.2 rad/s2. If the fan was spinning at the rate of 10π rad/sec before it was turned off, how many revolutions did it go through before coming …
9. ### Physics (angular motion)

The blades of a fan running at low speed turn at 230rpm . When the fan is switched to high speed, the rotation rate increases uniformly to 370rpm in 5.80s . Part A What is the magnitude of the angular acceleration of the blades?
10. ### Physics

A desk fan has three (approximately) rectangular sheets of 15.8 cm long and 5 cm wide, each with a mass of 140 g. The fan is rotating at a constant angular speed of 19.8 rad / s when the power is turned off. Due to friction the angular …

More Similar Questions