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How do I calculate the speed of the International Space Station moving in a circular orbit around the Earth?

Just equate the centripetal force and gravitational force acting on the ISS and find v. P. S. Google the radius and mass of the Earth, the distance to the ISS from the ground, the mass of the ISS and the con...
ED
Answered by Eimantas D. • Physics tutor
9528 Views

What is Olbers' paradox?

Olbers' paradox is a thought experiment that arises in cosmology* which shows that our universe does not fit the "Static Newtonian" model. Sir Isaac Newton came up with a model for the universe whi...
AJ
Answered by Alexander J. • Physics tutor
6574 Views

What is a potential divider?

A potential divider is essentially a series circuit. The characteristics of a series circuit is such that voltage from the source (a battery for example) gets split across the resistors according to the valu...
MK
Answered by Mehrin K. • Physics tutor
6551 Views

How do control rods work in a nuclear fission reactor?

In Nuclear Fission, neutrons collide with radioactive atoms (eg Uranium-235) in order to split the atom into two smaller atoms and releasing energy. The more neutrons there are the faster the reaction so to ...
JH
Answered by Jordan H. • Physics tutor
9985 Views

Why does a single slit diffraction pattern occur?

When light passes through a narrow gap it will diffract (spread out). This means the light reaching the screen could have come from anywhere within the slit. If one wavefront passes through the left of the s...
JH
Answered by Jordan H. • Physics tutor
16057 Views