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Mathematics, 09.12.2020 18:00 owlsandR5

A particle is projected from a point O with speed V m/s and at an angle of elevation of x where x us tan =4/3 The point O is 42.5 m above a horizontal plane. The particle strikes the plane at point A , 5 seconds after it is projected. Find ;
1. The value of V
2. The distance between 0 and A

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