The stone is thrown at angle of 30° below the horizontal. If it strikes the ground 57 m away, find A. The time of flight B. The initial speed C. The speed and the angle of the velocity bector with respect to the horizontal at impact.

The stone is thrown at angle of 30° below the horizontal. If it strikes the ground 57 m away, find A. The time of flight B. The initial speed C. The speed and the angle of the velocity bector with respect to the horizontal at impact.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2CQ: Which of the following is a vector a person’s height, the altitude on Mt. Everest, the velocity of a...

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Question

2. The stone is thrown at angle, of 30°below the horizontal. If it strikes the ground
57 m away, find (a) the time of flight, (b) the initial speed, and (c) the speed and
the angle of the velocity vector with respect to the horizontal at impact.
Ans. (a)1.57 s; (b)41.9 “; (c)51.3 ,0 = 45°
nitu at a d50angle with

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