Question 1 (2 points) An experimental time-travel machine is capable of reaching speeds of 2.993 x 10 m/s. If the machine travels for 9.48 minutes relative to itself, how long would it have travelled relative to an observer at rest? For this problem use 2.998 x 10 m/s for the speed of light. Your Answer: Answer units Add attachments to support your work Question 2 (2 points) A space probe zooms past a planet at 0.72c. An alien who observes the probe moving past measures its length to be 30 m. What is the probes length in its frame of reference? Your Answer: Answer units Add attachments to support your work Question 3 (2 points) Assume it was possible for an asteroid with a rest mass (7.41x10^20) kg to be travelling through the universe with no particular orbit at a velocity of (1.570x10*8) m/s. What is the relativistic mass of this asteroid? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units Add attachments to support your workQuestion 4 (3 points) A spaceship travelling at 0.854c flies past a planetoid with a major diameter of 667 km and a minor diameter of 378 km. The spaceship is travelling parallel to the minor diameter. Which diameter of the planet would experience length contraction and what length would an astronaut on the spaceship measure this diameter to be? Your Answer: Answer units Add attachments to support your work