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pogonyaev
2 years ago
11

What is the refractive index between glass and water?​

Physics
1 answer:
Gennadij [26K]2 years ago
6 0

Answer:

The Refractive index of water is 1.3 and the refractive index of glass is 1.5.

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804 n of force are applied to a 51.7 kg. What is the acceleration that the object experiences?
Andreyy89

We can use Newton II here  (where F=m*a), that F is the net (or resultant) force on the object, m is the mass of the object and a is the acceleration the object experiences.

This means, in this case there would be no friction and absolutely no other force which gives a component in the plane of motion, only then can you assume that F=804N.

Now using F= m*a

804 = 51.7*a

Therefore a = 804/51.7 = 15.55 m/s²


7 0
2 years ago
The principle of work states that the ratio of work output to work input is always
snow_lady [41]

Answer:

work output is always less than work input - the ratio is less than 1.

Explanation:

This principle comes from the fact that a machine or system cannot produce more work than is supplied to it, because this would violate the energy conservation law (work is a type of mechanical energy).

In theoretical machines called "ideal machines" the input work is the same as the output work, but these machines are only theoretical because in real applications there is always some type of energy loss, either in heat produced by a machine or processes for its operation, for this reason the output work is always less than the input work.

Regarding the ratio work output to work input:

\frac{WO}{WI} < 1

because work input WI is always greater than work output WO.

7 0
3 years ago
A book is sliding across a horizontal desk and comes to a stop. the books kinetic energy was converted into what type of energy
Oliga [24]
Friction stole the book's kinetic energy, and turned it into heat energy ... which blew away in the breeze.
4 0
3 years ago
When you break a magnet in half how many poles does each piece have.
Anastaziya [24]
It will have two poles
7 0
2 years ago
You are growing a little taller each year. What units could you use to measure how fast
vlada-n [284]

Answer:

inches and feet (or even centameters)

Explanation:

these are all common units used to measure height

6 0
2 years ago
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