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مشكورين مقدما
1

A particle moves along the t X-axis .Its position varies with time according to the expression x = -41+212 ,Determent the displacement and average velocity of the particle in the time interval = 0s to t= 1s and t=3s

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2
Find the required time for a car to move 98 m if it starts from rest and accelerated at 40 m/s2
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3
A boy dropped the stone from the bridge. if the stone time taking a 3 s to collide with water under the bridge, What is the height over the water if neglecting air friction.

A boy thrown a ball to up with a velocity = 15 m/s

? what is the maximum height the ball will reach

?what is the velocity before the boy gets the ball again
?what is the time that the ball spent in the air
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4
Calculate the work done by water pump to rise water of 5 m3 volume up to 30 meter above water level density of water is 1000 kg/m and the free fall acceleration is 10.0 m/sec2