Energy is the ability or capacity to do work. It is also measured in joules and it is a scalar quantity. Anything capable of doing work has energy e.g a falling fruit, a man throwing a ball.

There are various forms of energy. Some of which are;
1. Mechanical Energy
2. Electrical Energy
3. Light Energy
4. Solar Energy
5. Nuclear Energy
6. Thermal Energy
7. Sound Energy

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We get energy from the foods we eat, especially from energy giving foods like carbohydrates. The Sun (the real sun and not that newspaper), from burning fuels and also hydro energy from dams.

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To whom it may or may not concern.

Work is the product of force and the displacement in the direction of that force. For work to be done. The applied force has to cause a body to move, meaning the resultant displacement must not be equal to zero. Example is pushing or pulling a box.

Question 1
If you push a chair of 20m forward by applying a force of 30N. What is the work you have done on the box?
Answer
work done = force x distance
force = 30N
distance = 20m
work done = 30 x 20
work done = 600 J (Unit of work is Joule)

Question 2
What is the work done if you try to push a drum of oil of by directing a force of 60N up the slope but instead it roles down 50m?
Answer
The distance and force are in opposite direction so we'll write it as force = -60N,distance = 50m
work done = -60 x 50m
work done = -300 J (meaning the drum does work on you)

Question 3
What is the work done when a box of mass 50kg slides down a lorry from a height of 400cm?
Answer
Here the invisible force of gravity is acting on the box. Force = mass x acceleration; Force = 50kg x 10m-2 (acc. due to gravity)
Force = 500 N
Distance = 400cm
but the distance is the wrong unit, so we shall convert to the proper S.I unit i.e metres.
Distance = 400cm x 1/100
Distance = 4m

Work done = Force x Distance; 500N x 4m
Work done = 2000Nm or 2000 J

What level are you?

BankyGee:
I'm dedicating this award to all the great members of this thread and my friends and fans on this platform! More wins together as we advance!

cc: pu7pl3, Ayanfe29, Nayo08, Davidzy23, Johntitus, TheHulk616, jerrykk, Hayqiu010, TheKingIsHere, nani667, Nicklaus619, topher052, daddytime, ZoeyJ, PrincessB1, Adejal, Centino, tot, gentlesinna, Bartork, SILENTandSMART2, Blossomingsoul, ABCThingx, Mabella2550, Nickshrapnel and others I can't mention!

BankyGee

You deserve it lol! Congrats!

JESUS! 700+ PAGES ON REDPILL!

Appearance247:
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Why are you dotting your phone numbers if you're legit?

I want to know.

Normal Math : Python

plus : +
minus : -
division : /
multiplication : *
square root: math.sqrt()

Jamb 2018 Physics Question

1. A man walks 1km due East and then 1km due North.
His displacement is.
A. √2km N45°E
B. 1km N30° E
C. 1km N15°E
D. √2km N60°E

Answer

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It can be solved using Pythagoras theorem. The Adj. Opp. are one respectively while his displacement is the Hyp.

Igbo Igbo conehead

Igbo Igbo

Abokis

� LOL

Oyindamolah:
We all do, infact 4 of my customer pay with it when they come to my shop. how about you?

none. The last we tried tried was pinkcoin. I don't no about my other relatives tho. But I know most people here in the north don't even understand what crypto currencies are.

Wahala for people wey no Sabi math.
Just dey read your thing go.

Lol. No!

Oyindamolah:
The ban amplified interest in it

even still. How many people in your family use bitcoins?

pozehnani:
This looks like a type writing machine writing. Even the accuracy of the punctuation marks and calculated spacing gives it away.

I learnt how to type with a machine. so I know the job of a type writer when I see one.

Beautiful writing kor.

lol. The alphabets of a typewriter are perfectly same. This is not one.

I wrote these. Shey I try small

Yeye statistics. So you are telling me that 7 out of 10 people of the 42% of Nigerians that use internet have bitcoins

dannyrhymes600:

waw that's rare, which state is your studio located

Niger state lol. But it's the area closed to Abuja so we're still safe.

dannyrhymes600:

do you make reggae beats or know anyone that does?

Im presently working one.

WoundedLamb:


Hhmm... I don't really know why people tend to believe the US is irreligious. It's only a very small part of the population that identifies as atheist. The country is secular in the sense that religion isn't used as the basis for making laws. But the citizens have and maintain their respective religions.

Again, do you really think the parents need religion as a tool to make thier kids respectful? I personally don't think morality is primarily function of religion. But that's just a personal opinion. I don't think any people in the world are as polite as Canadians (sometimes, the over politeness could be sickening if not deceiving). But yet, they are North Americans.

So would you send your kids to Africa like my friend plans to do?

constomer care can be super polite and that doesn't mean that the handler is moral