SOLUTION: Two cars leave the same city, one heading north and the other heading west. The first car travels at 25km/hr. In 1 hour, the cars are 65 km apart. How fast is the second car moving
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Question 293937: Two cars leave the same city, one heading north and the other heading west. The first car travels at 25km/hr. In 1 hour, the cars are 65 km apart. How fast is the second car moving?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
a^2+b^2=c^2
25^2+b^2=65^2
625+b^2=4,225
b^2=4,225-625
b^2=3,600
b=sqrt3,600
b=60 km/hr. ans.
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