Gain in decibels is given by;
Gain db = 10*log (Po/Pi), where Po = Power output, Pin = Power input
Substituting;
Gain in db = 10 * log (50/5) = 10 db
Answer:
The time interval is 
Explanation:
From the question we are told that
The length of the string is 
The mass of the string is 
The tension on the string is 
The velocity of the pulse is mathematically represented as

Where
is the linear density which is mathematically evaluated as

substituting values


Thus


The time taken is evaluated as

substituting values


Answer:
1: an elevator moving up to the 3rd floor (gathering potential energy)
2: all options here will increase the GPE
3: the last option
4: just before it hits the ground and has reached a speed of 28 meters per second
5: turning a different direction while moving the same speed
6:a jogger getting faster after spotting a mountain lion behind him on the trail
7: I didn’t watch the lesson
8: at the top of the swinging path, when you are still for a moment just before falling again
9: I d+o)n#t k#n0”w
10: same as 9 sor=ry
Answer:
Both of them are correct
Explanation:
Here both the technician are correct. A special puller and installer tool is required to remove and install the vibration damper. Removing and installing a damper is not an easy task, it requires a definite set of technique and tools.
According to Technician B if the inertia ring on the vibration damper is loose, the damper must be replaced is absolutely correct, inertia ring once loosened cannot be tightened. hence, we have change the the damper.
The answer is 7.93 pounds