5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s. a) What is the spring constant? b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s. 6. A wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the pivot point of such a wrecking ball, with the ball at the top of its swing. If the length of the cable is 12 m, how long do you have to get out of the way? 7. a) When the displacement of a mass on a spring is ½A, what fraction of the total energy is kinetic energy and what fraction is potential energy? b) At what position is the energy half kinetic and half potential? 8. An oscillator vibrates with a frequency of 200 Hz and an amplitude of 4.00 mm. At t = 0 the oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the oscillator. Show transcribed image text 5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s. a) What is the spring constant? b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s. wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the pivot point of such a wrecking ball, with the ball at the top of its swing. If the length of the cable is 12 m, how long do you have to get out of the way? displacement of a mass on a spring is 1/2 A, what fraction of the total energy is kinetic energy and what fraction is potential energy?. 6. A |7. a) When the ») At what position is the energy half kinetic and half potential? 8. An oscillator vibrates with a frequency of 200 Hz and an amplitude of 4.00 mm. At t=0 the oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the oscillator.
5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s. a) What is the spring constant? b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s. 6. A wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the pivot point of such a wrecking ball, with the ball at the top of its swing. If the length of the cable is 12 m, how long do you have to get out of the way? 7. a) When the displacement of a mass on a spring is ½A, what fraction of the total energy is kinetic energy and what fraction is potential energy? b) At what position is the energy half kinetic and half potential? 8. An oscillator vibrates with a frequency of 200 Hz and an amplitude of 4.00 mm. At t = 0 the oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the oscillator. Show transcribed image text 5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s. a) What is the spring constant? b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s. wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the pivot point of such a wrecking ball, with the ball at the top of its swing. If the length of the cable is 12 m, how long do you have to get out of the way? displacement of a mass on a spring is 1/2 A, what fraction of the total energy is kinetic energy and what fraction is potential energy?. 6. A |7. a) When the ») At what position is the energy half kinetic and half potential? 8. An oscillator vibrates with a frequency of 200 Hz and an amplitude of 4.00 mm. At t=0 the oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the oscillator.
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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Question
Transcribed Image Text:5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s.
a) What is the spring constant?
b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s.
6. A wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the
pivot point of such a wrecking ball, with the ball at the top of its swing. If the length of the cable is 12
m, how long do you have to get out of the way?
7. a) When the displacement of a mass on a spring is ½A, what fraction of the total energy is kinetic
energy and what fraction is potential energy?
b) At what position is the energy half kinetic and half potential?
8. An oscillator vibrates with a frequency of 200 Hz and an amplitude of 4.00 mm. At t = 0 the
oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the
oscillator.
Show transcribed image text 5. A 500 g mass is attached to a spring and set into motion. The period is observed to be 2.5 s. a) What is the
spring constant? b) The mass is replaced by a textbook with an unknown mass. Find the mass if the new period is 6.0 s.
wrecking ball is sometimes used to demolish old buildings. You are standing directly beneath the pivot point of such a wrecking ball, with
the ball at the top of its swing. If the length of the cable is 12 m, how long do you have to get out of the way?
displacement of a mass on a spring is 1/2 A, what fraction of the total energy is kinetic energy and what fraction is potential energy?.
6. A
|7. a) When the
») At what position is the energy half kinetic and half potential?
8. An oscillator vibrates with a frequency of 200 Hz and an
amplitude of 4.00 mm. At t=0 the oscillator is at the lowest point in its vibration. Write the equation that describes the motion of the
oscillator.
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