Homework Help: PHYSICS

Posted by Anna on Thursday, March 7, 2013 at 8:23am.

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #4:

What is the increase in thermal energy to a 2000 kg bus and its surroundings if that bus comes to a stop from a speed of 15 m/s? Ignore other sources of thermal energy. (225000 J)

PHYSICS - Elena, Thursday, March 7, 2013 at 9:01am
Q=ΔKE=mv²/2
PHYSICS - Raelyn, Thursday, March 7, 2013 at 12:40pm
How did you type the exponents? And the triangle?
PHYSICS - Elena, Thursday, March 7, 2013 at 1:06pm
Simbol - Arial Unicode MS
http://www.alanwood.net/unicode/fonts.html

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