Question

3)
total energy
d)
Mechanical energy
If velocity is increased by 10% keeping mass as the same then percentage a change
in KE will be approximately: 1
10°
b)​

Answer 1

Answer:

Answer is 21%

Explanation:

Initially, K.E was mv²/2

New K.E is m(1.1v)²/2= 1.21 mv²/2

Change in K.E= Final K.E-Initial K.E= .21 mv²/2

Percentage change= Change/Initial ×100

=.21×100=21%

Hope this helps.