Question 1
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
1. Motion, forces and ene...
1.2. Motion

Define speed as distance travelled per unit time; recall and use the equation v = s/t

6. Space physics
6.1.2. The Solar System

Calculate the time it takes light to travel a significant distance such as between objects in the Solar System