# An electric toy car with a mass of #5 kg# is powered by a motor with a voltage of #12 V# and a current supply of #1 A#. How long will it take for the toy car to accelerate from rest to #3 m/s#?

##### 1 Answer

Mar 19, 2016

#### Explanation:

let the time taken be t s

Then electrical energy spent during this time

Rhis energy will be equal to the KE gained=