A particle P projected from a point O on horizontal ground hits the ground after 2.4 seconds. The horizontal component of the initial velocity of Pis dms. (a) Find, in terms of d, the horizontal distance of P from O when it hits the ground. (b) Find the vertical component of the initial velocity of P. P just clears a vertical wall which is situated at a horizontal distance dm from O. (c) Find the height of the wall.
A particle P projected from a point O on horizontal ground hits the ground after 2.4 seconds. The horizontal component of the initial velocity of Pis dms. (a) Find, in terms of d, the horizontal distance of P from O when it hits the ground. (b) Find the vertical component of the initial velocity of P. P just clears a vertical wall which is situated at a horizontal distance dm from O. (c) Find the height of the wall.
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Transcribed Image Text:A particle P projected from a point O on horizontal ground hits the ground after 2.4 seconds.
The horizontal component of the initial velocity of Pis dms.
(a) Find, in terms of d, the horizontal distance of P from O when it hits the ground.
(b) Find the vertical component of the initial velocity of P.
P just clears a vertical wall which is situated at a horizontal distance dm from O.
(c) Find the height of the wall.
The speed of Pas it passes over the wall is 16ms.
(d) Find the value of d correct to 3 significant figures.
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