CBSE BOARD X, asked by rupali234, 11 months ago

The velocity of a car increase from
54 km/hr to 72 km/hr. How much is
the work done if the mass of the car
is 1500 kg ?

Answers

Answered by Anonymous
3

Answer:

Explanation: mass m = 1500 kg

U = 54 km/hr

54 X 5/18 = 15 m/s

V = 72 km/ hr

= 72 X 5/18

= 20 m/s

K.e = 1/2 m ( v² - u²)

= 1/2 X 1500 ( 20²- 15²)

Calculate it you will get the answer as 13125j

Answered by vaishnavi5254
0

Answer:

Explanation:

H13125 j

Similar questions