The second hand of a clock is 8.4 centimeters long. Determine the linear speed of the...
The second hand of a clock is 8.4 centimeters long. Determine the linear speed of the tip of the second hand as it moves through 1 revolution around the clock face (using SI units).
Homework Answers
Liner speed = distance/ time
Diameter = 2r = 2 (1.50) = 3.00cm or 0.03m
Circumference = pi x Diameter
Circumference = 3.14 x 0.03m
Circumference = 0.0942m
for one revolution is 60sconds
Linear speed = Distance / time
Linear speed = 0.0942/60 =1.57x10-3s
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