4.how does the kinectic energy of a 10,000-kg train traveling at a speed of 10 m/s compare with that of a 2,600-kg compact car traveling twice as fast?

Question

4.how does the kinectic energy of a 10,000-kg train traveling at a speed of 10 m/s compare with that of a 2,600-kg compact car traveling twice as fast?

A.the train has less kinectic energy than the car.

B.the train has more kinectic energy than the car.(I PICK THIS)

C.the train has the same kinectic energy as the car.

Answer 1

answer B is wrong just took test and got it wrong answer (A) is right

Answer 2

Correct Answer is A

Answer 3

Thanks @horgie I used it to check my answers they were all right!

Answer 4

Thanks @horgie, I got one wrong the first time around, and now i know which one! Thank youuuu!!!

Answer 5

I thought I already replied to this

Answer 6

http://www.jiskha.com/display.cgi?id=1391017066

Answer 7

no you did not

Answer 8

A is the correct answer for this question / equation.

Answer 9

I would put A because I did and it was right

Answer 10

4.how does the kinectic energy of a 10,000-kg train traveling at a speed of 10 m/s compare with that of a 2,600-kg compact car traveling twice as fast?

answer B is wrong just took test and got it wrong answer (A) is right

Correct Answer is A

Thanks @horgie I used it to check my answers they were all right!

Thanks @horgie, I got one wrong the first time around, and now i know which one! Thank youuuu!!!

I thought I already replied to this

http://www.jiskha.com/display.cgi?id=1391017066

no you did not

A is the correct answer for this question / equation.

I would put A because I did and it was right

same thanks horgie