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2. A projectile is fired in such a way that its horizental range is equal to three times its maximum height. What is the angle of projection?

thanks

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- Thread starter Moneer81
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- #1

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2. A projectile is fired in such a way that its horizental range is equal to three times its maximum height. What is the angle of projection?

thanks

- #2

arildno

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3. What has Moneer81 done so far?

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well for the first problem I am wondering if it could be done with the little information we have....

the second one is simpler if we substitute x = 3y into the equations of motion and try to get the x and y component of Vo (initial velocity) then the inverse tangent would give us the angle...

anyone has more detailed comments?

- #4

arildno

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1. How is the maximal horizontal distance related to initial speed and acceleration due to gravity?

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well acceleration due to gravity will have an effect on the vertical distance....not the horizental?

- #6

arildno

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But when&where the ball hits the ground again depends on the acceleration due to gravity, does it not?Moneer81 said:well acceleration due to gravity will have an effect on the vertical distance....not the horizental?

- #7

HallsofIvy

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Do you know the formulas for horizontal and vertical motion with a constant (vertical) acceleration?

- #8

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yeah yeah you're right....got it :)

i think i was just thinking harder that I had to

i think i was just thinking harder that I had to

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