Units (Astrophysics)
3 marks · NormalComplete the table below by writing the SI unit for each quantity.
| Quantity | SI unit (give symbol) |
|---|---|
| Length | |
| Speed | |
| Mass |
(a)[1 mark]
Length
(b)[1 mark]
Speed
(c)[1 mark]
Mass
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) metre (m)
(b) metre per second (m/s)
(c) kilogram (kg)
Common mistakes: Wrong symbol (e.g., s for speed, instead of m/s)
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Length: metre (m).
B2 (b) · 1 mark · Speed: metre per second (m/s).
B3 (c) · 1 mark · Mass: kilogram (kg).
Worked solution
| Quantity | SI unit (symbol) |
|---|---|
| Length | m |
| Speed | m/s |
| Mass | kg |