A particle of mass 5 kg hangs in equilibrium from two light strings. One string makes an angle of 30° with the horizontal and the other makes an angle of 60° with the horizontal, on the opposite side.
Find the tension in each string.
From Paper 3: Pure Mathematics and Mechanics
1115 marks
A ball is thrown from a point 1.5 m above horizontal ground with speed 18 m s-1 at an angle of 35° above the horizontal. A wall 3 m high stands 20 m horizontally from the point of projection.
(a) Show that the ball passes over the wall and find by how much it clears it.
(b) Find the greatest height of the ball above the ground.
(c) Find the horizontal distance from the point of projection to where the ball lands.
(d) Find the speed and direction of the ball just before it lands.
Score 0 / 23 · 0 of 2 marked
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Quantities and units in mechanics Exam Questions: OCR A-Level Maths | Plasmo