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A mass is fired from the top of a tower (point A) as shown in figure. If the initial speed vo-5m/s and the times does it take the mass to reach point B and point Care TB=2s and tc=4.5s, respectively, determine a) the components of the velocity at point B (VXB=? and VyB= ?), b) the distance at which the mass strikes the ground (xc=?), and c) the height of the tower (hA-YA - Yc?). y Ув A Ih A

A mass is fired from the top of a tower (point A) as shown in figure. If the initial speed vo-5m/s and the times does it take the mass to reach point B and point Care TB=2s and tc=4.5s, respectively, determine a) the components of the velocity at point B (VXB=? and VyB= ?), b) the distance at which the mass strikes the ground (xc=?), and c) the height of the tower (hA-YA - Yc?). y Ув A Ih A

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A mass is fired from the top of a tower (point A) as shown in figure. If the initial speed vo=5m/s and the times does it take the mass to reach point B and point C are tẢ=2s and tc=4.5s, respectively, determine a) the components of the velocity at point B (VxB=? and VyB=?), b) the distance at which the mass strikes the ground (xc=?), and c) the height of the tower (hA=YA - Yc?). y Ув A XB Xc I с X
Transcribed Image Text:A mass is fired from the top of a tower (point A) as shown in figure. If the initial speed vo=5m/s and the times does it take the mass to reach point B and point C are tẢ=2s and tc=4.5s, respectively, determine a) the components of the velocity at point B (VxB=? and VyB=?), b) the distance at which the mass strikes the ground (xc=?), and c) the height of the tower (hA=YA - Yc?). y Ув A XB Xc I с X
As shown in figure, a 2kg block initially at rest is pulled along an inclined, rough surface by a force that varies with position according to the expression F = (3x+12)î (in N). The coefficient of kinetic friction is μ = 0.2. a) Show the free-body diagram for the block. b) Determine the magnitude of the acceleration at x=1.5m c) Find the speed of the block after it has moved 3m by using work-kinetic energy theorem. a m 0 = 15° X
Transcribed Image Text:As shown in figure, a 2kg block initially at rest is pulled along an inclined, rough surface by a force that varies with position according to the expression F = (3x+12)î (in N). The coefficient of kinetic friction is μ = 0.2. a) Show the free-body diagram for the block. b) Determine the magnitude of the acceleration at x=1.5m c) Find the speed of the block after it has moved 3m by using work-kinetic energy theorem. a m 0 = 15° X
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