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Q11: Question – Paper 3 – June 2019
Q11: Question – Paper 3 – June 2019
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Question
11)
In May 2019, the distance between Earth and Mars was 3.9 x 107 km.
In May 2019, a signal was sent from Earth to Mars.
Assuming that the signal sent from Earth to Mars travelled at a speed of 3 x 105 km per second,
a) how long did the signal take to get to Mars?
[2 marks]
The speed of the signal sent from Earth to Mars in May 2019 was actually less than 3 x 105 km per second.
b) How will this affect your answer to part (a)?
[1 mark]