Captain Jirk reports to headquarters that he left the planet Senesca 1.88 × 104 seconds earlier. Headquarters sends back the message: "Was that spaceship proper time?" It will be spaceship proper time if it was
A. measured by one clock fixed at one spot on Senesca.
B. measured by one clock fixed at one spot on the spaceship.
C. measured by a clock on Senesca at departure and by a clock on the spaceship when reporting.
D. measured by a clock on the spaceship when departing and by a clock on Senesca when reporting.
E. calculated by dividing the distance from Senesca according to Senesca by the speed of the spaceship.
Answer: B
You might also like to view...
When an electron transitions from a higher orbital level to a lower orbital level, a photon is ______
a. absorbed b. transitioned to somewhere else in that same orbit c. emitted d. None of the other choices are correct as a photon is not a product of or source to the transition.
Energy Conservation With Nonconservative Forces: A 30-N stone is dropped from a height of 10 m and strikes the ground with a speed of 13 m/s. What average force of air friction acted on the stone as it fell?
A. 4.1 N B. 2.9 N C. 0.13 kN D. 7.2 N E. 1.2 N
As the average surface temperature of the Earth rises, the Northern hemisphere of the Earth is warming more rapidly than the Southern hemisphere because
A) the Northern hemisphere contains more landmass which more readily absorbs solar radiation B) during summer in the Northern hemisphere, the Earth is closer to the Sun C) there is less ice in Arctic regions compared to the Antarctic regions so less radiation is reflected out into space D) there are more clouds in the Southern hemisphere to reflect solar radiation out into space
What type of prevention seeks to minimize the severity of the illness or the damage due to an injury-causing event once the event has occurred?
What will be an ideal response?