Displacement versus distance

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Then this is the direction of this magnitude okay a distance not necessarily a distance but a displacement it's what falls under vector quantity. So a disp…
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Vector and scalar quantity

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So remember guys, remember you've got what we call a vector quantity and a scalar quantity very much important ladies and gentlemen that at all times you r…
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Taking direction into consideration

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Why did they have to specify that you must calculate the velocity of the cars? Because ladies and gentlemen you've got two objects over there which is the …
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Calculating the velocity

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Okay so without any waste of time ladies and gentlemen let's now have a look at our first question so the question says calculate the velocity of the car r…
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Compass with directions

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You will understand how to use this type of given information when you substitute into the formula. That's in case if the one calculate, either the velocit…
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Speed of the truck

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Okay obviously they've indicated that the truck is moving at 20 meters per second towards the left, the car is moving at 20 meters per second towards the r…
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Given statement in the question

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We're given a statement which reads as follows, so the diagram below shows a car of mass m traveling at a velocity of 20 meters per second east on a straig…
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Introduction and positive remarks

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Guys my name is Desmond and I welcome you to my YouTube channel ladies and gentlemen. For today we'll be looking at question number four of physical scienc…
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Scientific notations

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So your next step it should be a quick one so it's more like you are adding this term plus that term so you just punch all of this on a calculator plus all…
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Substituting values in the formula

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Okay on your next step what you do is just to substitute. We already know the electric net is equals to 5.44 by 10 to the power 6 it's given so by just sub…
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Calculating the magnitude of the unknown value

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Okay guys so let's now move to question 8.4 and the question says calculate the magnitude of the charge x. Remember we already know that the magnitude of t…
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Positively and negatively charged particles

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Okay guys so now let's move to question 8.3. So the question says draw the electric field pattern for charges x and y. From the previous question we can ea…
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Score full marks on electric field lines

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You've got something like this and again most importantly your lines shouldn't cross. The moment you have crossing lines then you lose a mark, so you&#…
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