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1. Lance starts the cycling marathon with a velocity of 6.2 m/s. Lance increases
his velocity to 9.7 m/s in 8 seconds. What is Lance's acceleration during this time?

Answer :

0.4375 m/s^2

Acceleration is change in velocity over time

Change in velocity (Vf-Vi) 9.7m/s - 6.2m/s = 3.5 m/s

Time is 8 seconds

Acceleration = 3.5m/s / 8s = 0.4375 m/s^2

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