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The following physics revision questions are provided in support of the physics tutorial on Length, Mass and Time. In addition to this tutorial, we also provide revision notes, a video tutorial, revision questions on this page (which allow you to check your understanding of the topic) and calculators which provide full, step by step calculations for each of the formula in the Length, Mass and Time tutorials. The Length, Mass and Time calculators are particularly useful for ensuring your step-by-step calculations are correct as well as ensuring your final result is accurate.

**Not sure on some or part of the Length, Mass and Time questions? Review the tutorials and learning material for Length, Mass and Time**

Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
---|---|---|---|---|---|---|

1.2 | Length, Mass and Time |

- p = ρ ×
*g**/**h* - p =
*ρ**/**g × h* - p = ρ × g × h
- p = ρ × g + h

Additional info: h is the depth (unit: m), g is gravitational field strength (unit: *m**/**s*^{2}), ρ is the density (unit: kg/m^{3}).

**Correct Answer: C**

- 100 km / hr
- 108 km / hr
- 110 km / hr
- 112 km / hr

**Correct Answer: B**

T = 2π × √*l**/**⊡*

where the quantity ⊡ cannot be read due to the book's amortization. Which quantity does the quantity ⊡ represent?

- Gravitational acceleration
- Gravitational force
- Velocity of pendulum
- Total time of pendulum's motion

**Correct Answer: A**

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