Question

When mass is halved and velocity is doubled then , KE of the body-​

Answer 1

Answer:

Explanation:

K.E=  

2

1

​  

mv  

2

 

New K.E=  

2

1

​  

(  

2

m

​  

) (2v)  

2

 =  2×  

2

1

​  

mv  

2

 = 2×K.E

Hence, kinetic energy of body is doubled.

Answer 2

$\huge\red{Answer}}$  →            

             K.E= $\frac{1}{2}mv^{2}$

             New K.E=  $\frac{1}{2} (\frac{m}{2} )(2v^{2} ) = 2 *\frac{1}{2} mv^{2} =2*K.E.$

Hence, kinetic energy of body is doubled

$\huge\orange{@alurringbabe}$