A hand pushes block A (m,= 3 kg) with a constant force Nand A= 75 N for a distance Ax = 2 m along a (mostly) frictionless table such that it speeds up from rest and is traveling at a speed of 8 m/s after it slides over a rough section of the table (u = 0.4). Block A then collides with a more massive block B (mg = 6 kg) that is initially at rest. Find the speed of block A after it has been released by the hand and just before the rough section of the table. A) 10 m/s B) 20 m/s C) 30 m/s
A hand pushes block A (m,= 3 kg) with a constant force Nand A= 75 N for a distance Ax = 2 m along a (mostly) frictionless table such that it speeds up from rest and is traveling at a speed of 8 m/s after it slides over a rough section of the table (u = 0.4). Block A then collides with a more massive block B (mg = 6 kg) that is initially at rest. Find the speed of block A after it has been released by the hand and just before the rough section of the table. A) 10 m/s B) 20 m/s C) 30 m/s
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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Transcribed Image Text:Nhand,A 75 N
ma = 3 kg
%D
VA = 8 m/s
Block
Block
Block
Block
B
A
Hx = 0.4
%3D
2 m
Ax
Note: Diagram is not drawn to scale
A hand pushes block A (m,= 3 kg) with a constant force Nand. A= 75 N for a distance Ax 2 m along a (mostly)
frictionless table such that it speeds up from rest and is traveling at a speed of 8 m/s after it slides over a rough
section of the table (H = 0.4). Block A then collides with a more massive block B (mg = 6 kg) that is initially at rest.
Find the speed of block A after it has been released by the hand and just before the rough section of the table.
A) 10 m/s
B) 20 m/s
C) 30 m/s
D) 40 m/s
E) 50 m/s
O A
O B
O D
O E
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