SOLUTION: Hi, this problem was made up by trigonometry teacher, can you please help me. If a particle starting with an initial speed V0 has constant acceleration,a,then its speed after t

Question 167475: Hi, this problem was made up by trigonometry teacher, can you please help me.
If a particle starting with an initial speed V0 has constant acceleration,a,then its speed after t seconds is given by V=V0+at. Find V0 and a if V= 28 mi/s when t=4. And then when V=43 mi/s and t=7s.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
eq 1
eq 2
subtract 2nd equation values from 1st equation to eliminate
divide by -3
plug a's value into either equation to find .
--->

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