Lets se
And


So

If spring constant is doubled mass must be doubled
Answer:
The difference in the decibel corresponses to a constant difference in the loudness perceived.
The refore the sound intensity from the orchestra is like 100 times that of the violin.
Explanation:
Answer:
C
Explanation:
If Ami is saying she likes it then it it personal. If you are speaking from statistics and studies it is impersonal and technically not from there perspective. All of these do this except C.
Answer:
Car radiators: Water is used as coolant car radiators. Due to its high specific heat capacity, it can absorb a large amount of heat energy from the engine of the car, but its temperature does not rise too high.
Explanation:
i hope this answer your question if it s wrong please let know
Answer:
Part a)

Part 2)

Part 3)

Explanation:
Part 1)
As we know that electric field and potential difference related to each other as

so we will have


so we have


Part 2)
Charge of an electron

now force is given as



Part 3)
Work done to move the electron


