Ladies and gentlemen so this is now faster than this one so when you look at these two and you specifically look at the speed of the car relative to the speed of the truck. It's more like the car is being left behind okay so it's more like the car is delaying by 20 meters per second because the truck is moving faster. Okay so that's why it seems as if it's moving at 20 meters per second but in the opposite direction or otherwise it seems as if it's been moving or it's being left behind by 20 meters per second okay.
Very much important ladies and gentlemen that you understand that part so now I think we can move to the second question ladies and gentlemen I pray that you fully understood that part because this type of questions. Ladies and gentlemen they can also ask you this question in a multiple choice type of questions ladies and gentlemen. Let's now move to question 4.2.
There's a mini statement given there which says the vehicle collide head on and stick together during the collision okay, so that means what happens is that it's moving at 20 m/s it's moving at 20 m/s they collide head-on and move together. Okay what we don't know ladies and gentlemen as soon as they stick together during the collision is that we don't know if they move in that direction or they move in that direction okay.
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