Physics, asked by sajjad555657, 10 months ago

The correct answer will be????

Attachments:

Anonymous: option a will be correct for sure

Answers

Answered by hananb

Answer:

K.E = m/2 (v1^2 - v2^2)

= 1000/2 (25^2 - 5^2)

= 500 (625-25)

= 300000

= 300 KJ

So answer.B

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sajjad555657: It is wrong because you write 300000 (3 Lac) how it is equal to 300 kJ ..wonderful!!

Answered by Anonymous

Mass= 1000kg

speed= 25-5= 20 m/s square

So,K.E = 1/2mvsquare

= 1/2 × 1000× 20×20

= 1× 1000×10×20

= 200000 joule

= 200kj. Answer.

sajjad555657: Wrong

Anonymous: :( ok

sajjad555657: Welcome

Anonymous: welcome..? xD

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