The path of projectile as seen from another projectile will always be
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A projectile motion can be studied this way
Imagine a room in which a particle is fired and there is a light on the ceiling and on the front wall
So if u see the shadow of the particle on the floor, it would be seen as a particle travelling in a straight line moving with a constant velocity.. ie. U*cos(theta)
Similarly on the rear wall the shadow will trace a straight line but not with a constant velocity ,instead with a decelration till peak and then acceleration.. this follows the standard projectile motion equation
Now, why i gave u this approach is, now it is easy to imagibe the relative motion,..
When u r sitting on a one prohectile(that means u r the 2 shadows of a particle obswerving shadows of another particle), u will see the the other shadow moving linearly with relative velocity on floor and with relative accelerated linear motion on the rear wall...
Hence it will still look like a projectile but, with different velocity, acceleration parameters
Now, if both the particles, the one on which u r sitting, and the other one that u r observing, are travelling with same vertical acceleration, then their relative acceleration will become zero.. so in that case the other particle wil b seen as travelling in a straight line
Imagine a room in which a particle is fired and there is a light on the ceiling and on the front wall
So if u see the shadow of the particle on the floor, it would be seen as a particle travelling in a straight line moving with a constant velocity.. ie. U*cos(theta)
Similarly on the rear wall the shadow will trace a straight line but not with a constant velocity ,instead with a decelration till peak and then acceleration.. this follows the standard projectile motion equation
Now, why i gave u this approach is, now it is easy to imagibe the relative motion,..
When u r sitting on a one prohectile(that means u r the 2 shadows of a particle obswerving shadows of another particle), u will see the the other shadow moving linearly with relative velocity on floor and with relative accelerated linear motion on the rear wall...
Hence it will still look like a projectile but, with different velocity, acceleration parameters
Now, if both the particles, the one on which u r sitting, and the other one that u r observing, are travelling with same vertical acceleration, then their relative acceleration will become zero.. so in that case the other particle wil b seen as travelling in a straight line
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