A car starts from rest and 5 seconds later it is going $20 \mathrm {~m} / \mathrm { s } .$ .What is the car's average acceleration? a. $1.25 \mathrm {~m} / \mathrm { s } ^ { 2 }$
b. $4 \mathrm {~m} / \mathrm { s } ^ { 2 }$
c. $5 \mathrm {~m} / \mathrm { s } ^ { 2 }$
d. $20 \mathrm {~m} / \mathrm { s } ^ { 2 }$

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The Answer of A car starts from rest and 5 seconds later it is going $20 \mathrm {~m} / \mathrm { s } .$ .What is the car's average acceleration? a. $1.25 \mathrm {~m} / \mathrm { s } ^ { 2 }$
b. $4 \mathrm {~m} / \mathrm { s } ^ { 2 }$
c. $5 \mathrm {~m} / \mathrm { s } ^ { 2 }$
d. $20 \mathrm {~m} / \mathrm { s } ^ { 2 }$

A Car Starts from Rest and 5 Seconds Later It 20 m/s.20 \mathrm {~m} / \mathrm { s } .20 m/s.

A Car Starts from Rest and 5 Seconds Later It $20 \mathrm {~m} / \mathrm { s } .$