Answer:
Work Function = 3.53 x 10⁻¹⁹ J = 2.2 eV
Explanation:
The work function of the metal metal can be found as follows:
Energy of Photon = Work Function + K.E
hc/λ = Work Function + K.E
Work Function = hc/λ - K.E
where,
h = Plank's Constant = 6.625 x 10⁻³⁴ J.s
c = speed of light = 3 x 10⁸ m/s
λ = wavelength of photons = 240 nm = 2.4 x 10⁻⁷ m
K.E = Maximum Kinetic Energy = (2.97 eV)(1.6 x 10⁻¹⁹ J/1 eV) = 4.752 x 10⁻¹⁹ J
Therefore,
Work Function = (6.625 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/(2.4 x 10⁻⁷ m) - 4.752 x 10⁻¹⁹ J
Work Function = 8.281 x 10⁻¹⁹ J - 4.752 x 10⁻¹⁹ J
<u>Work Function = 3.53 x 10⁻¹⁹ J = 2.2 eV</u>
Answer:
7...is mitochondria :- mitochondria are known as the power house of the cell.
Answer:
Yes, because the wrench is moving at the same speed as the sailboat.
The main difference is that a person on the ground would see the wrench moving diagonally, while a person on the boat would see the wrench falling straight down,
This difference in paths lead to the relativistic change in lengths.
Answer:
Fapp =44N is the correct answer
Explanation:
Please mark brainliest
Answer:
Probability = 0.004247
This will not classify as a "Near Miss) since it is a very low probability
Explanation:
The solution for this question is based on the formula for probability.
Where
= Desired outcome
= Total outcomes
Since we know that the asteroid passed 1.5 million km of earth and the earth has a radius of is 6,371 km. We assume the asteroid has a trajectory that can only deviate in one direction (i.e. perpendicular to the earths surface) we input the following values into the formula
= Desired outcome = 6,371 km
= Total outcomes = 1,500,000 km
