Answer:

Explanation:
h = Planck's constant = 
c = Speed of light = 
E = Energy = 
Wavelength ejected is given by

The maximum wavelength in angstroms of the radiation that will eject electrons from the metal is 
Answer:
D.
For every action there is an equal and opposite reaction.
Explanation:
im doing the same one lol
These values are all vectors since they all possess both magnitude and direction.
Answer:
See explaination for the details of the answer.
Explanation:
Density is a measurement that compares the amount of matter an object has to its volume. An object with much matter in a certain volume has high density An object with little matter in the same amount of volume has a low density. Density is found by dividing the mass of an object by its volume.
The Calculate of the chordwise distribution of the skin friction coefficient and the displacement thickness is done and represented in the attachment.
Please kindly check attachment for the step by step answer.