sakinazra51236 sakinazra51236

15-01-2023
Physics

Answered

Part A

How many protons are in the Sun?
Assuming the mass of the Sun is 2.0 x 1030 kg and the mass of a proton is
1.7 x 10-27 kg, how many protons are in the Sun? Give your answer to 2 significant
figures.

Part B :

What is growth rate of human hair?
If a human hair grows at a rate of 0.400 mm per day, what is its growth rate in mm per second? Give your answer to 3 significant figures.

Answer :

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