Maths-
General
Easy
Question
Specialists can determine the speed a vehicle was travelling from the length of its skid marks, d,mand coefficient of friction, f. The formula for calculating the speed, s, is s = 15.9 √df. Rewritethe formula to solve for the length of the skid marks
Hint:
Rearrange the equation and solve for d.
The correct answer is: not stretchy rightwards double arrow d equals fraction numerator s squared over denominator 252.81 f end fraction
Complete step by step solution:
Here we have the formula for speed s =
Where, s is the speed, f is the coefficient of friction and d is the length of its skid
marks.
Now on squaring both the sides, we have
.
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