Posted by **michelle** on Tuesday, May 1, 2007 at 3:04am.

The minute hand of a clock is 8 inches long. How far does the tip of the minute hand move in 30 minutes? How far does it move in 20 minutes?

For 30 min. I got 8pie inches. For 20 mins., I got (16pie/3)inches. but i don't know if these answers are correct. if my answers are wrong, please show me the steps to solving this.

Thanks.

Arc distance= radius*angular speed*time

angular speed for a minute hand is 1 rev per hour, or 2PI rad/hr

for 20 min:8in*2PI/hr*1/3 hr

You are correct.

## Answer This Question

## Related Questions

- math - the minute hand of a clock is 6 inches long. how far does the tip of the...
- math - the minute hand of a clock is 6 inches long. how far does the tip of the ...
- Pre-Calculus - The minute hand of a clock is 3 inches long. How far does the tip...
- math - How far does the tip of the minute hand of a clock move in 100 minutes if...
- Math - The minute hand of a clock is 6 inches long and moves from 3 o clock to 5...
- algebra - Minute hand of a clock is 10 inches long. how far does the tip of the ...
- trig - The minute hand of a clock is 7 inches long and moves from 12 to 11 &#...
- trig - The minute hand of a clock is 6 inches long. What distance does its tip ...
- pre calc - The minute hand of a clock is 7 inches long. How far does the tip ...
- maths - the minute hand of a circular clock is 18cm long how far gdoes the tip ...

More Related Questions