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Introductory Physics Homework Help
How Do You Calculate the Range of a Projectile on a Sloped Surface?
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[QUOTE="HMPARTICLE, post: 4947769, member: 511154"] [h2]Homework Statement [/h2] A catapult projects a stone in the normal direction to a playground which slopes at a angle of 10 degrees to the horizontal. The initial speed of the stone is 18 m/s. calculate the range parallel to the playground. [h2]Homework Equations[/h2] the usual ones! [h2]The Attempt at a Solution[/h2] My first equation is [B]v[/B] = 18cos10[B]i [/B]+ 18sin10[B]j[/B] using v = u + at in the y direction with a = -9.8m/s^2 and v = 0 u =18sin10 using this i find that the time that the stone hits the ground is t = 0.32 seconds now in the x direction x = vt since we ignore air resistance i obtain 18cos10(0.32) = 5. 8 m the answer in the back of the book is 11.8 m. so i am wrong. i think i have interpreted the question incorrectly! but i have tried setting the angle to 80 degrees, but that came out horribly wrong [/QUOTE]
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Introductory Physics Homework Help
How Do You Calculate the Range of a Projectile on a Sloped Surface?
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