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 157 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
Excellent

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
A Coronal Mass Ejection A Coronal Mass Ejection
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ... Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ...
Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ... Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ...
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library