1.

Paragraph A hiker stands on edge of a cliff 490 m above the ground and throws a stone horizontally with an initial speed of 15ms^(-1). Take g=9.8ms^(-2). Neglect air resistance.Take the point of projection as the origin of coordinate system, x-axis is horizontal direction, y-axis vertically upwards. What is the coordinates in metres of the point where the stone hits the ground?

Answer»

(0, 490)
(150, 490)
(150, -490)
(490, 150)

ANSWER :C


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