a computer fan rotates 2000 times in 40 seconds. find the unit rate in rations per second.

Question

0

942

2

Guest Oct 26, 2014

+23254

+5

Best Answer

Do you mean radians per second?

If you do: One rotation is equal to 2π radians; so 2000 rotations is equal to 2000 x 2π = 4000π radians.

The rate = 4000π radians / 40 sec = 100π radians / sec.

geno3141 Oct 26, 2014

geno3141 · Answer 1 · 2014-10-26T05:11:00

Do you mean radians per second?

If you do: One rotation is equal to 2π radians; so 2000 rotations is equal to 2000 x 2π = 4000π radians.

The rate = 4000π radians / 40 sec = 100π radians / sec.

Guest · Answer 2 · 2014-10-26T04:45:27

The unit rate would be 50 times per second.