问题描述:
求解一道微积分应用题.
At time t>=0 seconds,the position of a body moving along the x-axis is x(t)=t^3-21t^2+144t m.
(1)Find the body's speed each time the acceleration is zero.Enter your answer as a list if necessary.
(2) Find the total distance traveled by the body from t=0 to t=7
At time t>=0 seconds,the position of a body moving along the x-axis is x(t)=t^3-21t^2+144t m.
(1)Find the body's speed each time the acceleration is zero.Enter your answer as a list if necessary.
(2) Find the total distance traveled by the body from t=0 to t=7
问题解答:
我来补答展开全文阅读