Homework Help: Phsyics

Posted by Rosemendz on Sunday, September 19, 2010 at 7:26pm.

Two cars start from the same place at the same time. After two hours, one car has traveled 30% farther than the other. If one car's speed is 20mph larger than the other car's speed, what are teh speeds of the cars? Solve algebraically.

Phsyics - drwls, Sunday, September 19, 2010 at 7:30pm
V2 = 1.3 V1
V2 = V1 + 20

Solve simultaneously.

The first step might be

0 = 0.3 V1 -20
Solve for V1; then V2
Phsyics - Rosemendz, Sunday, September 19, 2010 at 7:34pm
how did you get 1.3?

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