S~ cientists publish their original research in scientific journals, which are fundamentally different from news magazines. The articles in scientific journals are not written by journalists – they are written by scientists. Scientific articles are not sensational stories intended to entertain the reader with an amazing discovery, nor are they news stories intended to summarize recent scientific events, nor even records of every successful and unsuccessful research venture. Instead, scientists write articles to describe their findings to the community in a transparent manner.
Answer:
yes done first thing tomorrow
The intensity of sound is just like the force of gravity, the force between electric charges, and the intensity of light . . . they all DEcrease at the same rate that the SQUARE of the distance INcreases.
So if two people are watching or listening to the same source, and one intensity is 1/10 as intense as the other intensity, then the farther person must be √10 times as far from the source as the nearer person is.
√10 = 3.1622 ...
So the second guy is about <em>3.16 miles</em> from the fire truck.
Answer:
The water pressure at the bottom of the jar will increase by 1000 Pa.
Explanation:
The Pascal principle states that:
In a fluid, a change in pressure at any point in the fluid is transmitted equally throughout the fluid, as it is occuring everywhere.
If we apply this principle at the case mentioned in the problem, we can say that:
- An initial pressure of 1000 Pa is applied on the top of the fluid (the water)
- According to Pascal's law, this pressure is transmitted with equal intensity (1000 Pa) to every point of the fluid
- So, the water pressure at the bottom of the jar will also increase by the same amount, 1000 Pa
Answer:
73.5 N
Explanation:
W = PE = mgh = 2.5 * 9.8 * 3.0 = 73.5 N
