How do I calculate the speed of light and the distance between the earth and the moon?

1 answer:

7 0

To calculate the distance to a star, astronomers observe it from different places along Earth's orbit around the Sun. If they measure the object's position several months apart, their "two eyes" will have a separation of well over 100 million miles!

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VR of a single movable Pulley is 2,why?

IRISSAK [1]

Explanation:

Hey, there!!

Single movable pulley has 2 VR because in single fixed pulley, load is supported with two segments of the string. It makes the effort distance double of the load distance. {As VR = No.of pulley used or number of rope segments that supports the load.}

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3 years ago

BRAINLIEST HERE COME GET IT

vitfil [10]

Oh that would be lovely! Thank you!

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