A car is traveling at a steady rate of speed. The points (1, 40) and (3, y) appear on a graph of the car's distance over time. W
2 answers:
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Length of circular track is:
L = 2*r*pi
He run 3/4 of it so length is:
L' = 3*2/4*r*pi = 3/2*r*pi
To calculate speed of his movement we use formula:
v = s/t where s = L' and t = 1 minute 45 seconds = 105 seconds
v = L'/t =
v = r* pi/70
If we take that r = 1 answer is
L = 2*r*pi
He run 3/4 of it so length is:
L' = 3*2/4*r*pi = 3/2*r*pi
To calculate speed of his movement we use formula:
v = s/t where s = L' and t = 1 minute 45 seconds = 105 seconds
v = L'/t =
v = r* pi/70
If we take that r = 1 answer is