Question

through how many radians does the second hand of a watch rotate in 3 minutes

Answer 1

In one rotation the second hand goes though -2pi radians.

Answer 2

so what is the equatoin?

Answer 3

How many seconds are there in one minute?

Answer 4

60

Answer 5

oh lol i got it. its 6pi. ok how about .... throught how many degrees does the minute hand of a clock rotate in 3 minutes.

Answer 6

Correct. So the required number of radians is
\[-2\times \pi \times 60\times 3\]

Answer 7

thank you

Answer 8

You're welcome.

Answer 9

How many rotations does the seconds hand finish in 1 minute?
How many rotations does the seconds hand fisnish in 3 minutes?
How many degrees are there in one full rotation?
How many degrees are there in 3 full rotations?