Q131 · Practice questionComplex familiar5 marks
QUESTION 131 (5 marks)
A drone moves with horizontal velocity components east and north before releasing a package from a height of . Neglect air resistance.
a)[2 marks]
Find the magnitude and bearing of the horizontal velocity.
b)[1 mark]
Find the fall time.
c)[2 marks]
Find the horizontal displacement magnitude before impact.
WORKED SOLUTION
5 marksPractice marking scheme
ANSWER
Horizontal displacement.
Worked solution
Part (a): Horizontal ; direction is east of north, bearing .
Part (b): gives .
Part (c): Horizontal displacement.
Part (a): completes the requested reasoning and obtains a correct result.
Part (b): completes the requested reasoning and obtains a correct result.
Part (c): completes the requested reasoning and obtains a correct result.
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