a truck with 48 in. diameter wheels is travelling at 50mi/h
a. find the angular speed of the wheels rad/min.
b. how many revolutions per minute do the wheels make?

Question

a truck with 48 in. diameter wheels is travelling at 50mi/h
a. find the angular speed of the wheels rad/min.
b. how many revolutions per minute do the wheels make?

anonymous · Answer

@UsukiDoll

usukidoll · Answer

I'm not that good at these problems.. x*(

anonymous · Answer

i know the formula for this though lol

anonymous · Answer

for angular speed it should be $$\omega =\theta \div time$$

anonymous · Answer

Remember that radians are distance divided by the raidus.

anonymous · Answer

Do you know how to convert all the units?

anonymous · Answer

The radius will be $24$ in.

anonymous · Answer

yes and the rotaions would be 50mi/ 60mins

anonymous · Answer

$$
\theta = \frac{x}{r}\
\omega = \frac{v}{r}
$$

anonymous · Answer

which one og the formulas would be used here for angular speed 
i thought it was $$\theta \div time$$

anonymous · Answer

You aren't given any time here, so that formula is of no use.

anonymous · Answer

You need to think about the relationship of everything.

anonymous · Answer

First of all, what is $v$?