x=vt+(1/2)*a*(t)^2
x=7*15-(1/2)*4*(15)^2
At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.400 m/s^2.
(a) How far does she travel in the next 15.0 s
3 answers
At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.300 m/s2.
b) What is her final velocity?
b) What is her final velocity?
A helicopter blade spins at 110 revolutions per minute. Its tip is 5.50 m from the center of rotation.