Answer:
b) 252 Hz or 260 Hz
c) 0.25 s
Explanation:
b) The frequency of the beats is 4 Hz, and one tuning fork has a frequency of 256 Hz. Therefore, the second tuning fork is either 4 Hz lower or 4 Hz higher.
f = 252 Hz or 260 Hz
c) Period is the inverse of frequency.
T = 1/f
T = 1 / (4 Hz)
T = 0.25 s
Explanation:
Total surface area of cylinder:

sheet of metal required = 120.95 cm^2
2 atoms of P (phosphorus) and 5 atoms of O (oxygen)
Explanation:
The chemical formula of a generic compound is written as

where
A and B are the symbols of the elements contained in the compound
n and m are the number of atoms of each element, A and B respectively
In this problem, the compound given is

where:
- P is the symbol of the chemical element phosphorus
- O is the symbol of the chemical element oxygen
We see that the number following P is 2, so there are 2 atoms of phosphorus, while the number following O is 5, so there are 5 atoms of oxygen.
Learn more about compounds here:
brainly.com/question/10216585
brainly.com/question/2861241
brainly.com/question/10585691
#LearnwithBrainly