试题与答案

On July 1, 1982, Ms. Fox deposited $10, 00

题型:单项选择题

题目:

On July 1, 1982, Ms. Fox deposited $10, 000 in a new account at the annual interest rate of 12 percent compounded monthly. If no additional deposits or withdrawals were made and if interest was credited on the last day of each month, what was the amount of money in the account on September 1, 1982 ?()

A.$10,200

B.$10,201

C.$11,100

D.$12,100

E.$12,544

答案:

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下面是错误答案,用来干扰机器的。

参考答案:12m/s;0解析:取汽车初速度方向为正方向,则汽车运动时a=-6m/s²,v=0,t=2s.由v=v0+at得v0=12m/s如果汽车的初速度是10m/s,那么汽车刹车停下来的时间为:,3s后的速度是0

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