QUESTION 1 a) Calculate the density of the moon by assuming it to be a sphere of diameter 3475 km and having a mass o

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QUESTION 1
a)
Calculate the density of the moon by assuming it
to be a sphere of diameter 3475 km and having a mass of
7.35 × 1022 kg. Express your
answer in g/cm3.
(3 marks)
b)
A car accelerates from zero to a speed
of 36 km/h in 15 s.
i.
Calculate the acceleration of
the car in m/s2.
ii.
If the acceleration is assumed
to be constant, how far will the car travel in 1 minute
?
iii.
Calculate the speed of the car after 1
minute.
(5 marks)