This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The mass in the figure below slides on a frictionless surface. When the mass is pulled out, ... (Read 169 times)

armygirl

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
The mass in the figure below slides on a frictionless surface.
   
  When the mass is pulled out, spring 1 is stretched a distance x1 from its equilibrium position and spring 2 is stretched a distance x2. The spring constants are k1 and k2, respectively. The force pulling back on the mass is
 
 
 
   
  a.
  k2x1.
   
  b.
  k2x2.
   
  c.
  (k1x1 + k2x2).
   
  d.
  .
   
  e.
  .

Question 2

A torsional pendulum consists of a solid disk (mass = 2.0 kg, radius = 1.0 m) suspended by a wire attached to a rigid support. The body oscillates about the support wire. If the torsion constant is 16 Nm/rad. What is the angular frequency (in rad/s)?
 
   


   
  a.
  2
   
  b.
  4
   
  c.
  6
   
  d.
  8
   
  e.
  7


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jessofishing

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


armygirl

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Ice-wedges form netlike polygons on the surface of the tundra, aerial photo of polygonal peat platea Ice-wedges form netlike polygons on the surface of the tundra, aerial photo of polygonal peat platea
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Tragic events of mass shootings. Tragic events of mass shootings.
What is the total resistance of the circuit in Figure 1? 150 What is the total resistance of the circuit in Figure 1? 150
Lod Score Values for the Families in Figure 5.15 Lod Score Values for the Families in Figure 5.15
Video: Baroreceptor Reflex

For a complete list of videos, visit our video library