# Construct Your Own Problem Consider an artillery projectile striking armor plating. Construct a problem in which you find the force exerted by the projectile on the plate. Among the things to be considered are the mass and speed of the projectile and the distance over which its speed is reduced. Your instructor may also wish for you to consider the relative merits of depleted uranium versus lead projectiles based on the greater density of uranium.

### College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000
Chapter 8, Problem 64PE
Textbook Problem
1 views

## Construct Your Own ProblemConsider an artillery projectile striking armor plating. Construct a problem in which you find the force exerted by the projectile on the plate. Among the things to be considered are the mass and speed of the projectile and the distance over which its speed is reduced. Your instructor may also wish for you to consider the relative merits of depleted uranium versus lead projectiles based on the greater density of uranium.

To determine

The force exerted by the projectile on the plate.

### Explanation of Solution

Formula used:

The expression for the force exerted on the artillery is,

F=mΔvΔt       ...... (1)

Calculation:

Consider artillery of mass0.500kgis projected and strikes the armor plating. The speed of the armor plating is14.0m/sand the distance covered by the projectile to stop is10.0m. The angle for the projectile is30°.

The horizontal velocity of the projectile can be calculated as,

vx=vcosθvx=14.0m/s(cos30.0°)vx=12.12m/s

The time taken by the projectile can be calculated as,

t=dvxt=10.0m12.12m/st=0

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