A ball kicked from ground level at an initial velocity of 68 m/s and an angle 0 with ground reaches a horizontal distance of 295 meters. What is the size of angle 0 and what is time of flight of the ball?

A ball kicked from ground level at an initial velocity of 68 m/s and an angle 0 with ground reaches a horizontal distance of 295 meters. What is the size of angle 0 and what is time of flight of the ball?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Vectors And Two-Dimensional Motion

Section: Chapter Questions

Problem 32P: A fireman d = 50.0 m away from a burning building directs a stream of water from a ground-level fire...

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

A ball kicked from ground level at an initial
velocity of 68 m/s and an angle 0 with ground
reaches a horizontal distance of 295 meters.
What is the size of angle 0 and what is time of
flight of the ball?
a. 0 = 17.223°, t=8.44 s
b. 0 = 19.372º, t = 4.6 s
c. 0 = 18.263º, t = 9.3 s
d. 0 = 16.273°, t=7.3 s
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