**39 In Fig.4-37, a ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the ground 1.50 s later, at distance d=25.0 m from the building and at angle with the horizontal. (a) Find h. (Hint: One way is to reverse the motion, as if on video.) What are the (b) magnitude and (c) angle relative to the horizontal of the velocity at which the ball is thrown? (d) Is the angle above or below the horizontal? 0=60.0° p. Flg. 4-37 Problem 39.

**39 In Fig.4-37, a ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the ground 1.50 s later, at distance d=25.0 m from the building and at angle with the horizontal. (a) Find h. (Hint: One way is to reverse the motion, as if on video.) What are the (b) magnitude and (c) angle relative to the horizontal of the velocity at which the ball is thrown? (d) Is the angle above or below the horizontal? 0=60.0° p. Flg. 4-37 Problem 39.

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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Question

**39 In Fig.4-37, a ball is thrown leftward from the left edge of the
roof, at height h above the ground. The ball hits the ground 1.50 s
later, at distance d=25.0 m from the building and at angle
with the horizontal. (a) Find h.
(Hint: One way is to reverse
the motion, as if on video.)
What are the (b) magnitude
and (c) angle relative to the
horizontal of the velocity at
which the ball is thrown? (d)
Is the angle above or below
the horizontal?
0=60.0°
p.
Flg. 4-37 Problem 39.

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