1.

A car moving on a straight road accelerates from a speed of 4.1m//sto a speed of 6.9m//s in 5.0s. What was its average acceleration ?

Answer»

SOLUTION :`u=4.1m//s, v=6.9m//s`, TIME `=t=5sec`
AVERAGE ACCELERATION
`a=(v-u)/t=(6.9-4.1)/5=0.56ms^(-2)`


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