Answer:C
Step-by-step explanation:
trust meh
To find the maximum velocity you have to differentiate the function respect to r.
v = k(R - r)r^2 = kRr^2 - krr^2 = kRr^2 - kr^3
k and R are constants.
=> v' = 2kRr - 3kr^2 = kr(2R - 3r)
maximum velocity => v' = 0 => kr(2R - 3r) = 0
r = 0 or 2R - 3r = 0 => r = 2R / 3
Answer: r = 2R / 3
Answer:
Step-by-step explanation:x7y³ + 2x5y² - 3x³ - 2x4 -2 mathsolve
Y=-5x+2
Y=mx+b
M=slope
B=y intercept