Understanding Projectile Motion: Definitions and Concepts

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Projectile motion involves key concepts such as time of flight and range, which are influenced by multiple factors. Time of flight is affected not only by the launch height but also by the speed and angle of projection. Similarly, the range of a projectile is determined by these same variables. Understanding these relationships is crucial for solving projectile motion problems effectively. Mastery of these concepts will enhance comprehension of the subject.
RohanTalkad
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RohanTalkad said:
Hello!

I'm in the 11th grade, and my class has started projectile motion. It's basic for the most part, but a few terms confused me at times. For instance, when a question asks for time of flight, is it solely dependent on where that objected is projected from (e.g., from a height, or from the ground)? Also, when a questions asks for range, in the same regard, is it solely dependent on the height/ground released? '

Thanks!
Neither of those is solely "dependent on where that object is projected from"! They are also dependent on the speed and angle at which the projective is fired. (That would seem to me obvious. Is that really the question you intended to ask?)
 
Hello Rohan, welcome to PF :smile: !

No, there are a few more variables that influence that time and range. Both you can well imagine, in fact:
the angle of firing
the speed at launch

Does that sound reasonable?
 
Thread 'Correct statement about size of wire to produce larger extension'

Thread 'Correct statement about size of wire to produce larger extension'

The answer is (B) but I don't really understand why. Based on formula of Young Modulus: $$x=\frac{FL}{AE}$$ The second wire made of the same material so it means they have same Young Modulus. Larger extension means larger value of ##x## so to get larger value of ##x## we can increase ##F## and ##L## and decrease ##A## I am not sure whether there is change in ##F## for first and second wire so I will just assume ##F## does not change. It leaves (B) and (C) as possible options so why is (C)...
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