A ball is thrown from a point O, which is 6 m above horizontal from ground. The ball is projected with speed u m s' at an angle 0 above the horizontal. There is a thin vertical post which is 4 m high and 8 m horizontally away from the vertical through O, as shown in the figure below. The ball passes just above the top of the post 2 s after projection.

A ball is thrown from a point O, which is 6 m above horizontal from ground. The ball is projected with speed u m s' at an angle 0 above the horizontal. There is a thin vertical post which is 4 m high and 8 m horizontally away from the vertical through O, as shown in the figure below. The ball passes just above the top of the post 2 s after projection.

Name: 4. A ball is thrown from a point O, which is 6 m above horizontal fro
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Description: 4. A ball is thrown from a point O, which is 6 m above horizontal from ground. The ballis projected with speed u m s' at an angle 0 above the horizontal. There is a thin verticalpost which is 4 m high and 8 m horizontally away from the vertical thro

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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4. A ball is thrown from a point O, which is 6 m above horizontal from ground. The ball
is projected with speed u m s' at an angle 0 above the horizontal. There is a thin vertical
post which is 4 m high and 8 m horizontally away from the vertical through O, as shown
in the figure below. The ball passes just above the top of the post 2 s after projection.

ums
6 m
4 m
8 m
a) Show that tan 0 = 2.2
b) Find the value of u
c) Calculate the time taken for the ball to reach the ground

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