2 years ago

What is general relativity in easy terms?

2 answers:

4 0

<span> it explains that what we perceive as the force of gravity in fact arises from the curvature of space and time. Einstein proposed that objects such as the sun and the Earth change this geometry

</span>

kirza4 [7]2 years ago

3 0

General relativity is the theory of space and time. This was theory was found by Albert Einstein

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What is the energy of a single photon of visible light with a wavelength of 500.0 nm? 1 nm=10^−9 m

Dmitrij [34]

Answer:

3.97×10^−19 J

From the planks equation

E=hv

V= c/ wave length

V= 3×10^8/500×10^-9

=6×10^14

E= hv

6.63×10^-34×6×10^14

= 3.97×10^−19 J

Explanation:

8 0

2 years ago

Write down the principal of lever

pashok25 [27]

Answer:

See the explanation below.

Explanation:

A lever is a simple machine that changes the magnitude and direction of the force applied to move an object. Minimizes the force needed to lift the object.

By means of the following image, we can see the principle of operation of a lever.

The load can be moved thanks to the force multiplied by the distance to the fulcrum.