Physics, 14.10.2020 01:01, loveuncondition
In 1969 the Apollo astronauts left a laser reflector on the Moon. This was to be used to help scientists to make very accurate measurements of the distance between the Earth and the Moon. The mean distance between the centres of the Earth and Moon is 385 000 km, and light travels at 3 × 10⁸ m/s.
Answers: 2
Physics, 21.06.2019 15:30, ariana7245
Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?
Answers: 2
Physics, 22.06.2019 15:30, sandra5456
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
Physics, 22.06.2019 15:30, hotsaucerman567
What is a subatomic particle with a negative charge and very little mass?
Answers: 1
In 1969 the Apollo astronauts left a laser reflector on the Moon. This was to be used to help scient...
Spanish, 23.12.2020 01:00
Mathematics, 23.12.2020 01:00
Mathematics, 23.12.2020 01:00
Mathematics, 23.12.2020 01:00