Abram threw his tennis ball upward from the ground at an angle of 50 degrees with respect to the horizontal ground. It left his hand with an initial speed of 40m/sec.a) What is the time it will take it be before the tennis ball hits the ground?b) how far from the starting point will it strike?c) what is the maximum height reached?d) where will the body be (horizontal and vertical distances) after 10 secs?

a) T = 2uSinθ / g T = (2×40×Sin50°)/9.8 T = 6.25 sec b) R = u2Sin2θ / g R = 402Sin100° / 9.81 R…

Answered: Abram threw his tennis ball upward from…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Problem In a relief operation mission involving a helicopter h distance above the ground traveling with a horizontal velocity vx. What should be the expression for the horizontal distance dx at which you release the relief package so that it will arrive to the survivors at the right place? (Neglect the effect of air resistance) Solution To determine this, we must first derive the time it takes for the relief package to reach the survivors. We use this equation -h = vinitial-yt + (1/2)ay________________ If we just drop the package from the helicopter, the equation above becomes ________________=________________ + (1/2)ay_____________________ Substituting ay = -g then simplifying results to t = sqrt( _____________/______________ ) which is the time it takes for the object to reach the ground. Since the package will just travel at a constant velocity in the x-axis, thus dx = vxt Substituting the time taken by the package to reach to ground results to: dx = ( _________ )( sqrt…
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