Problem A block of mass of 5 kg is attached to a horizontal spring whose stiffness is 312 N/m. Ininally, the spring has a stretch of 6.9 cm and the block has a speed of 3 m/s. Neglect friction Which formula can be used to calculate the elastic potential energy stored in a spring? (refer to the formula-sheet and select the number of the correct formula from the list) b) ( ) Find the initial elastic potential energy stored in the spring U₁- J c) Which formula can be used to calculate the kinetic energy of the mass? (refer to the formula-sheet and select the number of the correct formula from the list)
Problem A block of mass of 5 kg is attached to a horizontal spring whose stiffness is 312 N/m. Ininally, the spring has a stretch of 6.9 cm and the block has a speed of 3 m/s. Neglect friction Which formula can be used to calculate the elastic potential energy stored in a spring? (refer to the formula-sheet and select the number of the correct formula from the list) b) ( ) Find the initial elastic potential energy stored in the spring U₁- J c) Which formula can be used to calculate the kinetic energy of the mass? (refer to the formula-sheet and select the number of the correct formula from the list)
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter10: Work, Energy And Machines
Section: Chapter Questions
Problem 59A
Related questions
Question
![Problem
A block of mass of 5 kg is attached to a horizontal spring whose stiffness
is 312 N/m. Initially, the spring has a stretch of 6.9 cm and the block has a speed of 3 m/s. Neglect
friction
a)
Which formula can be used to calculate the elastic potential energy stored in a spring? (refer
to the formula-sheet and select the number of the correct formula from the list) 0
b) (
Find the initial elastic potential energy stored in the spring
U₁-
c)
Which formula can be used to calculate the kinetic energy of the mass? (refer to the
formula-sheet and select the number of the correct formula from the list)
d)
Find the initial kinetic energy of the mass.
K₁ =
J
Find the total initial mechanical energy of the mass-spring system.
E₁
f)
What is the value of the elastic potential energy when the block is at the equilibrium
position (with maximum speed)?
Ut
J
Determine the kinetic energy of the block at the equilibrium position
K₁-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe31a82bd-785a-4028-b099-f61b0bc3f985%2F6c80ab1e-2b1c-4237-bc24-dcb5b7e3353b%2F9fv245c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem
A block of mass of 5 kg is attached to a horizontal spring whose stiffness
is 312 N/m. Initially, the spring has a stretch of 6.9 cm and the block has a speed of 3 m/s. Neglect
friction
a)
Which formula can be used to calculate the elastic potential energy stored in a spring? (refer
to the formula-sheet and select the number of the correct formula from the list) 0
b) (
Find the initial elastic potential energy stored in the spring
U₁-
c)
Which formula can be used to calculate the kinetic energy of the mass? (refer to the
formula-sheet and select the number of the correct formula from the list)
d)
Find the initial kinetic energy of the mass.
K₁ =
J
Find the total initial mechanical energy of the mass-spring system.
E₁
f)
What is the value of the elastic potential energy when the block is at the equilibrium
position (with maximum speed)?
Ut
J
Determine the kinetic energy of the block at the equilibrium position
K₁-
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