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The following physics revision questions are provided in support of the physics tutorial on Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws. 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 Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws tutorials. The Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws 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 Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws questions? Review the tutorials and learning material for Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws**

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

18.1 | Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws |

*1. A truck is moving at 126 km/h due East and a car is travelling at 30 m/s due West. Both objects are moving at constant velocity. The initial distance between the vehicles is 1.2 km. Which is the equation of motion by which the car approaches the truck if a traffic light - which is 300 behind the truck - is chosen as origin of the inertial frame of reference? Take the West-to-East direction as positive.*

- x(t) = 1200 - 65t [in metres]
- x(t) = 1500 - 65t [in metres]
- x(t) = 1500 - 156t [in metres]
- x(t) = 900 - 156t [in metres]

**Correct Answer: B**

*2. A passenger is walking at 2m/s towards the end of a bus which is moving at 72 km/h. What is the relative velocity of the passenger to the ground if the moving direction of the bus is taken as positive? *

- 74 km/h
- -70 km/h
- 22 m/s
- -18 m/s

**Correct Answer: D**

*3. Which of the following is NOT an inertial frame of reference? *

- The Earth
- The Sun
- A car moving at constant velocity
- An object falling freely

**Correct Answer: D**

Enjoy the "Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws" practice questions? People who liked the "Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws" practice questions found the following resources useful:

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- Relativity Physics tutorial: Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws. Read the Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws physics tutorial and build your physics knowledge of Relativity
- Relativity Revision Notes: Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws. Print the notes so you can revise the key points covered in the physics tutorial for Relativity. Galilean Transformations. Einstein's Postulates and Newton's Laws
- Check your calculations for Relativity questions with our excellent Relativity calculators which contain full equations and calculations clearly displayed line by line. See the Relativity Calculators by iCalculator™ below.
- Continuing learning relativity - read our next physics tutorial: Classical Principle of Relativity

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