فيزياء: أي استفسار أول سؤال

[ريآآنوو]

سلالام معليه الصفحه هذي سارت لي بس ^^
طيب هذي اخر اسئلة بشابتر 4 وياليت الحل قبل الظهر اليووم


Exercise 5
A ball is kicked from the ground at an angle of 30ْ above the horizontal. if it reaches the ground again at a distance 45 m away from the starting point,the maximum eight reached will be


Exercise 6
A ball kecked horizontally from the edge of the rocky beach with a velocity 22 m/s, if the rocky edge is 65m from the beach.
a) Find a time of flight.
b) Find the speed of the ball before contact with the ground.


Exercise 7
A ball thrown of the top of a table which 50 cm height, the ball fell on the ground after a 60 cm from the table. What was the velocity of the ball when it is left the table


Exercise 8
A skier jumps horizontally with velocity of 6 m/s from a height of 35m. Distance would be.

Exercise 9
A stone is tied to the end of a string and Turing with a constant speed making a horizontal circle of radius 1.5 m. If it makes 4 revolutions each second its acceleration is.

Exercise 10
The speed of an earth satellite at an altitude of 220 km above the earth (given g=9.1m/s and earth radius of 6.37x10^6m)is

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