cameroon gce advance level June 2021 further mathematics paper 3

cameroon gce advance level June 2021 further mathematics paper 3

cameroon gce advance level June 2021 further mathematics paper 3

Awhose panicle resistance P, of mass to motion m, is projected is of magnitude vertically kv per upwards unit mass from, awhere pointvOiswith the speed speed ol ^ 1ms and 1 inLa.1medium
positive constant.
( i ) Show that
dv
V ( 1 mark )
= n kv
dx
The particle P attains the highest point H of its path.
( ii ) Show further that
Ic^(2In 3) metres
( liven that the particle P reaches another point M with speedms*as it traces its path back to ( ), the
2lc
point of projection,
Prove that
OH
= (5 marks)
( iii )

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