Constant acceleration on a motorcycle when he valor diwram The problem us is ahe

Question

Constant acceleration on a motorcycle when he valor diwram The problem us is ahe engin of evonneures. We poinr the 5.0 m), Som and the initial 15 m/s. 20 luation 210 Ahermatively we may use Equation 26 to find first the time w Then,from Equation 2.10 15 m/s (40 m/s )(20s) 23 m/s. som (15 m/s)(25s) (40m/s )(25 s) 55 m. REFLECT Do the results make sense? The cyclist accelerates m/s about mih) to 23 m/s (about 5l mi in swhile (about 12 f). This is fairly brisk 15ms but well within the realm of possibility for a high-performance bke Practice Problem: If acceleration is 2.0 m/s instead of 40 where the fast is he moving, 5.0 s after he p is the cyclist, and how signpost if ro 50 m and won 15 m/s? rs: 105 m.25 ml. of velocit both objects be the police each, and SOLVE A Part (a: At express ac be the car's apply the and and the n 2.10 each object, we fir to l this time, xc xp. Equating 0, 10

Explanation / Answer

S = Xo + ut + 0.5at^2

S = 5 + 15*5 + 0.5*2*5^2

S = 5 + 75 + 25

S = 105 m

V = u + at

V = 15 + 2*5

V = 15 + 10

V = 25 m/s

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