A car starts at rest and accelerates at 3.09 m/s2 over 517 m then breaks to...

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Question

A car starts at rest and accelerates at 3.09 m/s² over 517 m then breaks to a stop over 83.4 m. What is the total time for this to occur?

science physics

Answer 1

Answer #1

U=0, a=3.09 m/s S=517m 3= ut, + +/2RA? 1/2 2x517 3.09 = 18.35 U=utat 3.09818.3 = 56.52 mis U=0, 5,= 83.4 m Now u = 56.52 er u

Answer 2

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