Problema Solution
If the hour hand of a clock has a length of 4 inches, the minute hand is 5 inches, and the second hand is 7 inches, how far does it tip (hour, minute and second hand) travel in 2 hours and 21 minutes and 11 seconds?
Answer provided by our tutors
hour hand= 4 pi x 2 x 2= 50.26 inch
minute hand = 5 pi x 21/60 x 2 = 11.00 inch
second hand= 7 pi x 11/60 x 2 = 8.06 inch