I discussed with my family about this situation. I dont get it
In: Physics
It depends on what you measure speed relative too and what direction you firer at.
If you measure the speed relative to the car the bullet will leave the gun and the same speed regardless of the speed of the car. The car and gun move at the same speed.
If you measure the speed of the bullet relative to the ground it depends on the direction you fire. If you fire in the direction of motion the speed of the bullet and the speed of the car are added together. If you fire in the opposite direction the speed of the bullet is subtracted from the speed of the bull.
For how the bullet fly in the air and how it loose speed depends on the speed of the bullet relative to the air. If it no wind the speed relative to the air is the same as relative to the ground but if there is a wound have to add and subtract it to.
A simple way to think of how speed is relative is if you are on a train and throw a ball to a friend the ball will behave the same if you move or is stationary. But for someone that stands on the ground beside the train the ball move as fast as the train before you throw it. If you throw it in the direction you move it has to move faster than the train relative to the ground else it would not catch up to your friend. If you throw it the other direction is as to move slower so your friend catches up to it.
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