Physics, 07.09.2019 05:10 bullockarwen

At a given point in its orbit, the moon is 2.4 x 10^5 miles from earth. how long does it take light from a source on earth to reach a reflector on the moon and then return to earth? (speed of light is 3.0 x 10^8 m/s)

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:30, yomamaisfat1519

Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is

Answers: 2

continue

Physics, 22.06.2019 03:50, am2garcia5

A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c

Answers: 3

continue

Physics, 22.06.2019 05:10, 902coo

What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n

Answers: 1

continue

Physics, 22.06.2019 16:40, odalysesquermon

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction. true or false?

Answers: 1

continue

You know the right answer?

At a given point in its orbit, the moon is 2.4 x 10^5 miles from earth. how long does it take light...