Answered: analyse projectile motion using energy

Name: How do you analyse projectile motion using energy?
Uploaded: 2024-03-20T06:57:37.000Z
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Description: How do you analyse projectile motion using energy?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter11: Energy And Its Conservation

Section: Chapter Questions

Problem 77A

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How do you analyse projectile motion using energy?

Expert Solution

Step 1

Consider the particle is taken to the projectile motion from ground (P) as shown in the figure with initial velocity v attains the maximum height h.

Resolve the components of velocity as v cosθ (horizontal component) and v sin θ (vertical component) shown in the figure.

At height h, velocity is v cosθ.

Step 2

(a)

At highest point Q,

Let us take ratio of kinetic energy and potential energy at highest point.

If initial angle is given then ratio of kinetic and potential can be determined.

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