vectors and displacement

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Question description

1.A stone of mass 0.20 kg is thrown with seed 22 ms-1 from the edge

  Of  a cliff that is 32 m above the sea. The initial velocity of the stone

  makes an angle of 350 with the horizontal. Air resistance is neglected.

a.  i  Determine the horizontal and vertical components of the initial velocity.

ii Sketch graphs showing the variation with time of the horizontal components

of velocity. 

b.  i Calculate the maximum height above the cliff reached by the stone.

 ii State the net force on the stone at the highest point in its path.

c.  i Determine the speed of the stone as it hits the sea.   

  ii Hence determine the time it took the stone to reach the surface of the sea.

Tutor Answer

(Top Tutor) Daniel C.
School: UCLA
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