[問題] 計量幾題請教

作者: victim0130 (Maxwell)   2016-07-08 14:45:42
Q1: As two wheels- A and B- roll across the ground, they both
rotate at a rate of 60 revolutions per second. The radius of
A is 3. The radius of wheel B is 1.5
Quantity A Quantity B
The distance wheel A The distance wheel B
travels per minute travels per second
Ans: A
Q2: Dan drove home from college at an average rate of 60 miles per hour.
On his trip back to college, his rate was 10 miles per hour slower
and the trip took him one hour longer than the drive home. How far is
Dan's home from the college?
Ans: 300 miles
麻煩板上大大請幫忙解惑,謝謝!!

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