Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant star and back will
A) age less than people who stay behind on Earth.
B) age more than people who stay behind on Earth.
C) have more fun than people who stay behind on Earth.
D) never be able to make the trip within their lifetimes.
A) age less than people who stay behind on Earth.
You might also like to view...
__________is the process by which an atmosphere traps heat and raises the temperature of a planetary surface
A) The greenhouse effect B) Global warming C) Differentiation D) The Tyndall effect
Energy Conservation With Nonconservative Forces: The figure shows two crates, each of mass m = 24 kg, that are connected by a very light wire. The coefficient of kinetic friction between the crate on the inclined surface and the surface itself is 0.31. Find the speed of the crates after they have moved 1.6 m starting from rest.
Fill in the blank(s) with the appropriate word(s).
Neutron stars have:
A) very strong bi-polar magnetic fields. B) weak or non-existent magnetic fields. C) periods of days or weeks. D) monopolar fields that switch polarity every rotation. E) no relation to pulsars.
The acceleration of an object as a function of time is given by a(t) = (3.00 m/s3 )t, where t is in seconds
If the object is at rest at time t = 0.00 s, what is the velocity of the object at time t = 6.00 s? A) 18.0 m/s B) 54.0 m/s C) 0.00 m/s D) 15.0 m/s E) 108 m/s