Question: A particle P is projected vertically upwards from horizontal ground with speed 8.4 solution QB. {Jun 2007. Q A particle P is projected vertically upwards,

A particle P is projected vertically upwards from horizontal ground with speed 8.4 solution

QB. {Jun 2007. Q A particle P is projected vertically upwards, from horizontal ground, with speed 8.4 m s". (i) Show that the greatest height above the ground reached by P is 3.6 m. [3] A particle Q is projected vertically upwards. 'urn a point 2 m above the ground, with speed It ms']. The greatest height above the ground reached by Q is also 3.6 :11. (ii) Find the value of u. [2] [t is given lthat P and Q are projected simultaneously. (iii) Show that, at the instant when P and Q are at the same height, the particles have the same speed and are moving in opposite directions. [IS]

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