### How fast was he running at first

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Q1. A uniformly accelerating train passes a green light signal at km hr it passes a second light 125m farther down the track 0s later what is the trains acceleration? What is the train's velocity at the second light?

Q2. A 115kg fullback runs at the line of scrimmage.

(a) Find out the constant force that must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.20 s.opposite the fullback's direction of motion

(b) How fast was he running at first?

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