SOLUTION: The position of a 140kg body is given by S = 3t^2 - 7t + 4. Where S is in meters and t is in seconds. Find the velocity of the body when s = 70.
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Question 1082909: The position of a 140kg body is given by S = 3t^2 - 7t + 4. Where S is in meters and t is in seconds. Find the velocity of the body when s = 70.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
First find t when S=70.
Only positive t allowed here.
.
.
To find the velocity, take the derivative of S.
So when ,
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