How is scientific definition of work different from the ordinary concept of wok

Answers

Answer 1

Answer: Scientific definition of work is using force to move an object a distance (A=F×S where A is work m, F is force and S is distance). Work in general is a synonym for a job meaning an activity involving mental or physical effort done in order to achieve a result (get money in most cases).

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A wave with a large amplitude has a lot of a.vibration b.speed c.energy

Answers

A wave with a large amplitude has a lot of a.vibration b.speed c.energy

Answer:

A high amplitude wave carries a large amount of energy; a low amplitude wave carries a small amount of energy. The average amount of energy passing through a unit area per unit of time in a specified direction is called the intensity of the wave.

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Define
anemometer
windchill factor
sea breeze coriolis effect

Answers

anemometer is an instrument for measuring the speed of wind, or of any current gas. windchill factor is the apparent temperature and wind speed. Sea breeze is a breeze blowing toward the land from the sea, especially during the day wound to the relative warmth of the land. The Coriolis effect is defined as how a moving object seems to veer toward the sothern hemisphere.

Athens was known for its love of ________, the________, and architecture.

Answers

Athens was known for its love of pottery , the sculptures , and architecture

I hope that's help !

A student pushes a 40-N block across the floor for a distance of 10 m. How much work was applied to move the block? A.
4 J

B.
40 J

C.
400 J

D.
4000 J

Answers

The correct answer to the question is C) 400 J.

CALCULATION:

As per the question, the force applied on the block F = 40 N.

The distance travelled by the block S = 10 m.

We are asked to calculate the work done by the block.

The work done by a body under a force F is calculated as -

Work done W = $\vec F.\vec S$

= $FScos\theta$

Here, $\theta$ is the angle between force and displacement.

If $\theta =\ 0^(0)$ , then work done W = $FScos0$

= FS. [ cos0 = 1]

Hence, the work done by the block W = FS

= 40 N × 10 m

= 400 Joule. [ans]

Here, Joule is the unit of work.

Hence, the work done by the block s 400 Joule.

Where in a star does fusion occur

Answers

Stars are powered by nuclear fusion in their cores, mostly converting hydrogen into helium. The production of new elements via nuclear reactions is called nucleosynthesis. A star's mass determines what other type of nucleosynthesis occurs in its core (or during explosive changes in its life cycle).

Newton’s Third Law of Motion states that when one object exerts a force on a second object, the forces are __________________. A.
equal in magnitude and equal in direction

B.
equal in magnitude and opposite in direction

C.
opposite in magnitude and equal in direction

D.
opposite in magnitude and opposite in direction

Answers

b. equal in magnitude and opposite in direction

the answer of the question is A

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The illustration above shows the item needed for an investigation. which item is the independent variable? which items are the constants? what might a dependent variable be?

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Every atom of the ____ carbon has 6 protons.

How do you measure loudness?