A block is sliding from rest on a plane inclined downward 30° from the horizontal. The vertical distance of the block from the level ground is 6 m. Coefficient of friction between the contact surfaces is 0.25. 1. Which the following most nearly gives the initial acceleration, in m/s²? a. 3.912 b. 2.781 c. 4.214 d. 5.155 2. Which of the following most nearly gives the velocity of the block after moving a vertical distance of 3 m from rest, in m/s? a. 5.78 b. 6.23 c. 4.51
A block is sliding from rest on a plane inclined downward 30° from the horizontal. The vertical distance of the block from the level ground is 6 m. Coefficient of friction between the contact surfaces is 0.25. 1. Which the following most nearly gives the initial acceleration, in m/s²? a. 3.912 b. 2.781 c. 4.214 d. 5.155 2. Which of the following most nearly gives the velocity of the block after moving a vertical distance of 3 m from rest, in m/s? a. 5.78 b. 6.23 c. 4.51
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 block is sliding from rest on a plane inclined downward 30° from the horizontal. The vertical distance of the block from the level ground is 6 m. Coefficient of friction between the contact surfaces is 0.25.
1. Which the following most nearly gives the initial acceleration, in m/s²?
a. 3.912
b. 2.781
c. 4.214
d. 5.155
2. Which of the following most nearly gives the velocity of the block after moving a vertical distance of 3 m from rest, in m/s?
a. 5.78
b. 6.23
c. 4.51
d. 8.72
3. Which of the following most nearly gives the total time for the block to reach the ground, in seconds?
a. 3.84
b. 2.15
c. 2.94
d. 4.92
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