calculus

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An ice cube is melting, and the lengths of its sides are decreasing at a rate of 0.4 millimeters per minute.
At what rate is the volume of the ice cube decreasing when the lengths of the sides of the cube are equal to 15 millimeters?

• calculus -

v = s^3
dv/dt = 3 s^2 ds/dt
here ds/dt = -0.4 and s = 15

• calculus -

An ice cube is melting at a rate of 0.2 cm/min. side length of cube is 3 cm. What is rate of change of volume after 5 mins

• calculus -

5.76

• calculus -

172.8******

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