ملتقى الفيزيائيين العرب

ملتقى الفيزيائيين العرب (http://www.phys4arab.net/vb/index.php)
-   منتدى المسائل والتمارين الفيزيائية. (http://www.phys4arab.net/vb/forumdisplay.php?f=18)
-   -   بلييـــــــــــــــز ابي حلها بسرعهـ.... (http://www.phys4arab.net/vb/showthread.php?t=62771)

(ملاكـ) 30-09-2011 17:30

بلييـــــــــــــــز ابي حلها بسرعهـ....
 
السلم عليكم
يسعد مسائكـــــــــم....
ابي حل المسائل هذي مع الشرح والله يوفقكم



Question 1
  1. The density is the ratio of the mass of an object to it’s




Question 2
  1. 1- A ball thrown straight upward has a height x above the ground which is given by the equation x = (19.6 m/s)t – (4.9 m/s2)t2. find the average velocity from

    a. t = 0 to t = 2 s
    b. t = 2 to t = 4 s.


Question 3

  1. - According to Newton’s first law, an object in motion with a constant velocity , The acceleration of this motion become maximum

    True False
Question 4
  1. A woman has a mass of 50 kg. What is her weight in Newton’s.





    Question 5
  1. The change in position with time is called the





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