Explain the scientific meaning of the word random

Answers

Answer 1

Answer:

Explanation:

In general the word random means by chance. The event that occurs unknowingly rather than according to plan is called at its randomness.

But in science, the word random relates with a type of event that is described by its probability distribution.

Also, random means the entropy of the system i.e. it is a thermodynamic quantity that represents the amount of energy in the system that is unavailable for doing work.

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What would you do to change the volume of gas?

Answers

The only way to do that is to reduce the
volume of the container the gas is in.

Explain what it mean to say that energy is conserved

Answers

It really means that the total amount of energy in the universe is
a fixed number, and doesn't change.

So if you're watching what's going on in some fixed bottle, box, pot,
or other volume, 'conservation' means that no energy can magically
appear in the bottle or disappear from it. The total amount of energy
can't change. The energy can only move from one place to another.
So if you see the amount of energy change inside there, then you
know that either some of the original energy must have leaked out
and escaped, or else more energy came in from somewhere.

This is actually a very powerful thing to know. It helps solve a lot
of problems.

A ball is moving at 7.0 m/s and has a momentum of 100kg.m/s. What is the balls mass?

Answers

Answer:

14 kg

Explanation:

Momentum = mass × velocity

p = mv

100 kg m/s = m (7.0 m/s)

m ≈ 14 kg

How can a magnetic feild be used to generate an electric current

Answers

The correct answer is A) When a magnet moves near a wire, it's charging field causes the electrons in the wire to flow as electric current

A car enters a tunnel at 24 m/s and accelerates steadily at 2.0 m/s2. At what speed does it leave the tunnel, 8.0 seconds later?

Answers

Given:

V1 = initial velocity = 24 m/s
a = acceleration = 2.0 m/s^2
s = time = 8 s
V2 = final velocity = ?

For linear-motion problems with those given terms, the following formula is used:

V2 = V1 + as

Substituting the given values:

V2 = 24 + 2(8)
V2 = 24 + 16
V2 = 40 m/s

Therefore the car will have a speed of 40 m/s as it leaves the tunnel.

Pressure __________ with depth to support the fluid weight above.a.
decreases
c.
stays the same
b.
increases
d.
not enough information to answer

Answers

Answer:

B. Increases, also B is before C

Explanation:

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A child holds up a silver spoon and is surprised to see her reflection there. Which interaction between light and matter explains this?A. When light hits something relatively flat, smooth, and shiny, it is transmitted by the surface, allowing nearby objects to be seen on the surface. B. When light hits something relatively flat, smooth, and shiny, it is refracted by the surface, allowing nearby objects to be seen on the surface. C. When light hits something relatively flat, smooth, and shiny, it bounces off the surface, allowing reflected objects to be seen on the surface. D. When light hits something relatively flat, smooth, and shiny, it is absorbed by the surface, allowing refracted objects to be seen on the surface.

How much energy is given to each coulomb of charge passing through a 6 V battery

Select the correct answer.Which statement about forces is true?A.Forces are defined by strength but not direction.B.Forces are defined by direction but not strength.C.Forces are defined by both strength and direction.OD. Forces act only on objects that are in contact.

When in orbit, astronauts experience weightlessness what is this caused by?