Question

energy required to accelrte a car from 10 m/ sec to to 20m/ sec,compare with that required to accelerate is from 0 to 10 m/sec​

Answer 1

Answer:

Explanation:

Energy required to accelerate from 10m/s to 20m/s E  

1

​

=  

2

1

​

m(400−100)

Energy  required to accelerate from rest to 10m/s  E  

2

​

=  

2

1

​

m(100−0)

E  

2

​

 

E  

1

​

 

​

=  

2

1

​

m(100)

2

1

​

m(300)

​

=3times