Two identical atomic clocks are made. One is placed in the foothills of the Rocky Mountains at the NIST in Boulder, Colorado, about one mile above the sea level, and the second is flown in a GPS satellite around Earth at about 17,000 mph. Which clock gets ahead of the other?

A. The Boulder clock
B. Both clocks run at the same rate
C. The clock in orbit


Answer: C

Physics & Space Science

You might also like to view...

A particle moving with a constant acceleration has a velocity of 20 cm/s when its position is x = 10 cm. Its position 7.0 s later is x = ?30 cm. What is the acceleration of the particle?

a. ?7.3 cm/s2 b. ?8.9 cm/s2 c. ?11 cm/s2 d. ?15 cm/s2 e. ?13 cm/s2

Physics & Space Science

Which of the following is the shell electron configuration for carbon?

a. 3, 3 b. 6 c. 2, 4 d. 1, 5

Physics & Space Science

You would have the most quantity of gold if it weighed 1 N on the

1) Moon. 2) Earth. 3) planet Jupiter. 4) would be the same on each. This is because 5) on the Moon a greater mass of gold is required for the gravitational force to equal 1 N. 6) weight and mass are directly proportional to each other. 7) gravitational force per mass is greatest on the most massive planet.

Physics & Space Science

The surfaces of a Dewar flask are silvered for the purpose of minimizing heat transfer by what process?

a. conduction b. radiation c. convection d. vaporization

Physics & Space Science