Question

WILL FAN AND MEDAL
Tomaz realized that the tip of a second hand on a clock rotates about the center of the clock. He watched the second hand rotate around the center of the clock for 15 seconds. Which describes the rotation he observed?

A. 270 clockwise rotation
B. 180 rotation
C. 90 clockwise rotation
D. 90 counterclockwise

Answer 1

@mathmale

Answer 2

This is what 15 seconds looks like on a clock

Answer 3

If the hand was at 12 then at 3 how many degrees did it rotate?

Answer 4

it went clockwise

Answer 5

ok but how much clockwise?

Answer 6

90

Answer 7

Precisely! So the hand rotated 90 degrees clockwise. 90 degrees because of the 15 seconds and clockwise because it's a clock. :)

Answer 8

Hope I was of help!

Answer 9

thank you

Answer 10

You are very welcome!