IB MAI HL Calculus Topic 5.3 Kinematics (id: 9c3a1022a)

本题目来源于试卷: IB MAI HL Calculus Topic 5.3 Kinematics，类别为 IB数学

[填空题]
A freight lift moveswx3fl-*0m m6z80lfbshn y b.k along a vertical straight line so that its vel v/ gk/qjs3 t3ps5m(wjocity, v \math vgw sp(/3mqj/tj 35ksrm{~ms}^{-1} , after t seconds is given by v(t)=$1.5^{t}-4.9$ , for $0 \leq t \leq 6$ .
1. Find when the lift is at rest.
t=  s.
2. Find the acceleration of the lift when t=3 .
a(3)=  ms${-2}$
3. Find the total distance travelled by the lift.
d=   m.

参考答案:
空格1: 3.92  空格2: 1.37  空格3: 15.4 


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