Unit 4 - Special Relativity

• An object with mass cannot travel at 1c as its momentum approaches infinity as its velocity approaches c.

• The mass of an object increase to infinity as its velocity approaches c.

• The object experiences 100% length contraction resulting in the disappearance of the object.

• Because a vacuum lack enough space inside it to accelerate to c.

• A

• B

• C

• D

Select all correct answers

• Length contraction

• Time Dilation

• Relativistic Momentum

• Infinite Mass

Answer explanation

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

Determine the length of the ladder and barn in each frame of reference.

• FOR - A

  Ladder 20m

  Barn 15m

  FOR - B

  Ladder 8.7m

  Barn 6.5m

• FOR - A

  Ladder 8.7m

  Barn 15mm

  FOR - B

  Ladder 20m

  Barn 6.5m

• FOR - A

  Ladder 20m

  Barn 6.5m

  FOR - B

  Ladder 8.7m

  Barn 15m

• FOR - A

  Ladder 17m

  Barn 6.5m

  FOR - B

  Ladder 8.7m

  Barn 14m

Answer explanation

• A

• B

• C

• D

• A

• B

• C

• D