1.

A car of mass 1000 kg first travels forwards at 25m/s" andthen backwards at 5m/s. what is the change in the kineticenergy of the car? (a) 200kj (b) 300kj(c) 325kj (d) 450 kj​

Answer»

SEE the attachement..

last MEIN 300*10³ HO jayega....

10³Joules = 1Kilo joule

therefore

Ans:300 kj

Hoe this helps❤

#Khushi here☺



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