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

Author Question: The angle that a swinging simple pendulum makes with the vertical obeys the equation (t) = (0.150 ... (Read 53 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 29, 2018
The angle that a swinging simple pendulum makes with the vertical obeys the equation
  (t) = (0.150 rad) cos(2.85 rad/s)t + 1.66.
  (a) What is the length of the pendulum?
 
  A) 0.15 m
   B) 0.83 m
   C) 1.21 m
   D) 2.02 m
   E) It cannot be determined from the information given.
  (b) What is the mass of the swinging bob at the end of the pendulum?
   A) 2.85 kg
   B) 1.66 kg
   C) 0.454 kg
   D) 0.150 kg
   E) It cannot be determined from the information given.

Question 2

A spherical ball of lead (density 11.3 g/cm3 ) is placed in a tub of mercury (density 13.6 g/cm3). Which answer best describes the result?
 
  A) The lead ball will float with about 83 of its volume above the surface of the mercury.
  B) The lead ball will float with its top exactly even with the surface of the mercury.
  C) The lead ball will float with about 17 of its volume above the surface of the mercury.
  D) The lead will sink to the bottom of the mercury.
  E) none of the above
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peilian

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

simple squamous alveoli simple squamous alveoli
How to solve angle of elevation problems in right triangles How to solve angle of elevation problems in right triangles
How to find the unknown angle of a triangle using the sine law (Part 2) How to find the unknown angle of a triangle using the sine law (Part 2)
Finding the equation of a line Finding the equation of a line
Double Angle Identity Double Angle Identity
Hector makes payments of $2000.00 into an RRSP at the beginning of every six months starting ... Hector makes payments of $2000.00 into an RRSP at the beginning of every six months starting ...
Video: Erythropoietin (EPO)

For a complete list of videos, visit our video library