Truck approaching the car


Let's say it was approaching this truck you know this truck which was you know not moving. So obviously that means its speed it's zero meters per second and the car is moving at 20 meters per second. Ladies and gentlemen, when we compare the velocity of the car relative to the truck okay, so obviously this is approaching the truck at 20 meters per second. 

So that means the velocity of the car relative to the truck will be 20 meters per second plus zero meters per second which is zero meters per second. When we do these calculations ladies and gentlemen we take into consideration the direction in which you know this is moving and this is only to help us to give the direction okay. 

So obviously because we're talking about the car ladies and gentlemen, so in which direction is this car moving? Obviously to the right so that's when you can say eastwards let's maybe have a look at case b okay. 

Ladies and  gentlemen let's say a car was traveling in that direction okay and then the truck was also traveling in the same direction and this was traveling at 20 meters per second. Let's also say it was traveling at 20 meters per second ladies and gentlemen the velocity of the car relative to the truck ladies and gentlemen. 


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