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1. A bead on a circular hoop with radius 2m travels counterclockwise for 10s and completes 2.25 rotations, at which point it reaches the position shown. In the past 10s, what were its average speed and the direction of its average velocity? √2 m (A) V (B) 2x m 5 s (C) 2m 9x m 10 s ) (D) 2x m (E) 9 m 10 s

1. A bead on a circular hoop with radius 2m travels counterclockwise for 10s and completes 2.25 rotations, at which point it reaches the position shown. In the past 10s, what were its average speed and the direction of its average velocity? √2 m (A) V (B) 2x m 5 s (C) 2m 9x m 10 s ) (D) 2x m (E) 9 m 10 s

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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1. A bead on a circular hoop with radius 2 m travels counterclockwise for 10s and completes 2.25 rotations, at which point it reaches the position shown. In the past 10s, what were its average speed and the direction of its average velocity? (A) 2π m (B) FE (C) (A) 9 m 10 s 2. A mass on an ideal pendulum is released from rest at point following shows the direction of its acceleration? (E) 2m (A) (D) (B) (C) (D) (E) 9 m 10 s When it reaches point II, which of the 3. A soccer ball is kicked up a hill with a flat top, as shown. The ball bounces twice on the hill, at the points shown, then lands on the top and begins rolling horizontally. Which of the following shows the vertical component of its velocity as a function of time? Min (B) -Att -Alt All (C)
Transcribed Image Text:1. A bead on a circular hoop with radius 2 m travels counterclockwise for 10s and completes 2.25 rotations, at which point it reaches the position shown. In the past 10s, what were its average speed and the direction of its average velocity? (A) 2π m (B) FE (C) (A) 9 m 10 s 2. A mass on an ideal pendulum is released from rest at point following shows the direction of its acceleration? (E) 2m (A) (D) (B) (C) (D) (E) 9 m 10 s When it reaches point II, which of the 3. A soccer ball is kicked up a hill with a flat top, as shown. The ball bounces twice on the hill, at the points shown, then lands on the top and begins rolling horizontally. Which of the following shows the vertical component of its velocity as a function of time? Min (B) -Att -Alt All (C)
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