Answer:
I would say B. Just because all the other options are very common in sports
Explanation:
It’s a feature of quantum-mechanical systems allowing a particle's time evolution to be arrested by measuring it frequently enough with respect to some chosen measurement setting.
If you have a ream of notebook paper available, you can measure the height of the stack and divide that by the number of sheets in the ream.
Or you can look up the average density of notebook paper, measure the mass of the sheet, then find the volume by dividing its mass by its density. Then divide the volume by the length and width of the sheet.
Answer:
B) μ = 0.23
Explanation:
The coefficient of friction is equal to μ = F / N where μ (mu) is the coefficient of friction, F is the friction force, and N is the normal force (the force of an object being applied onto the earth by gravity).
F, the friction force, is given as 67 N
Since the weight of the crate is 289 N, that means the normal force is 289 N.
This means that the coefficient of friction is μ = F / N = 67 N / 289 N = 0.23183391 = 0.23
Therefore, B is the correct answer