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Newton's Law of Gravitation states: F=GMm/r^2, where G is the gravitational constant (6.67×10−11m^3kg^−1s^−2). Kepler's Third Law, states t^2=kR^3. The mass of the sun is 1.99x10^30kg. Find the value of k and its units

F=GMm/r²=mv²/r, v=2pir/t

equating the two values for F and remembering to include the equation for v, GMm/r^2 = m(2pir/t^2)^2/r. Rearranging to find t^2, t^2 = 4pi^...

Answered by Sam B. • Physics tutor

16940 Views

What is the effect of sibilance

This depends on the content of the quote. First think about what the quote is actually saying. Is it something threatening? Is it describing something beautiful, or something quiet? The repeated s sound i...

Answered by Annoushka C. • English tutor

51190 Views

How does longshore drift take place?

Longshore drift takes place as waves hit the beach at an angle. In the UK, the prevailing wind direction is SW so waves hit the beach at an angle from the South West. Waves carry sediment and pebbles thro...

Answered by Sarah L. • Geography tutor

3039 Views

Practice Italian conversation

In any language verbal communication skills are essential. The best way to develop these skills is to have conversations with native speakers. In this way students develop listening, comprehension and spe...

Answered by Giorgio C. • Italian tutor

3432 Views

Correcting Italian to English and English to Italian translations

Part of the A-Level and IB examinations are based on translation skills. Therefore I would be able to assist students in their translations making them understand when it is possible to do a word by word ...

Answered by Giorgio C. • Italian tutor

1913 Views