A plane has to drop a food package to refugees. It travels at 200 km/hour. If the mass of the package is 20 kg with what momentum will it hit the ground?

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...
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1. Find the enter of mass and geometric center of the following figures:
B cms
3 cms
6 cms
b.
d.
2m
2m
2. A plane has to drop a food package to refugees. It travels at 200 km/hour. If the mass of the package is 20 kg
with what momentum will it hit the ground?
3. An electric canon fires a shell at initial velocity of 20 m/s and an angle of 20 degrees. If the mass of
the shell is 8 kg, what is its momentum 3 meters above the ground on its upward motion?
Transcribed Image Text:1. Find the enter of mass and geometric center of the following figures: B cms 3 cms 6 cms b. d. 2m 2m 2. A plane has to drop a food package to refugees. It travels at 200 km/hour. If the mass of the package is 20 kg with what momentum will it hit the ground? 3. An electric canon fires a shell at initial velocity of 20 m/s and an angle of 20 degrees. If the mass of the shell is 8 kg, what is its momentum 3 meters above the ground on its upward motion?
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