Re: 幫智崧問 物理習題
又到了讓我來PO這次Chapter4的題目吧！
這次會比較晚Po題目實在是我連不上物理老師的網頁…
今天看了班代說要寫那些題目我才打…
如果說我太慢打的人
只能說聲對不起啦！
4. (I) A car travels east at 20 m/s for 10s and then north at 10 m/s for 15s.
Find: (a) the distance covered: (b) the displacement; (c) the average velocity
; (d) the average speed; (e) the average acceleration.
6. (Ⅱ) On May 20-21 , 1927 , Charles Lindberg flew the Spirit of St. Louis
nonstop from New York to Paris, a distance of 5819 km, in 33.5h , What was the
magnitude of his average velocity? (Radian measure is needed.)
36. (Ⅱ) A stone is thrown at 25 m/s at 50° above the horizontal. At what
time(s) is its velocity at 30° to the horizontal?
60. (Ⅱ) A fish swimming east at 3 km/h is spotted by a penguin that is 50m
due south. If the penguin is capable of moving at 30 km/h under water, how
quickly cold it have a meal?
62. (Ⅱ) The speed of a car moving along a circular track of radius 50m is
increased uniformly in time. When the car is east of the center, its total
acceleration is 10 m/(※s平方) at 37° W of N. (a) find its radial and
tangential accelerations. (b) How long does it take to return to the same
point?
78. (Ⅱ) A child tosses a ball at 12 m/s at 35° above the horizontal toward
a wall 7. 2 m away. The ball leaves the hand at a height of 1.6 m. Find the
height and angle at which the ball hits the wall.
※ 引述《NoSugar (無糖滴~~甘醇香!!)》之銘言：
: 如題 請問物理習題這次是哪幾題
: 還有 聽說有習題相關網頁ㄇ?!
: 方便滴話 也請潑上來好ㄇ?!
: 謝謝各位學弟妹~~
--
"I don't know what a pure point guard is , I just play the game and do
whatever is necessary to win even it mean I have to be selfish."
我不知道一個真正的控球後衛該如何作，我只是全力以赴以求贏球。就算是要我
自私也無所謂----------By Allen Iverson#3
--
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※ 編輯: bdavid 來自: 61.223.129.9 (10/22 21:07)
※ 編輯: bdavid 來自: 61.223.129.9 (10/22 21:08)
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