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

Author Question: A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its ... (Read 94 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 29, 2018
A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its density?
 
  A) 1.37  10-4 kg/m3
  B) 1.82  103 kg/m3
  C) 19.3  103 kg/m3
  D) 3.63  103 kg/m3
  E) 7.26  103 kg/m3

Question 2

Two wheels with fixed centers are in contact with each other and rotate without slipping. Wheel A has a radius of 12.0 cm and is rotating with an angular speed of 35.0 rad/s. Wheel B has a radius of 17.0 cm. What is the angular speed of wheel B?
 
  A) 49.6 rad/s
  B) 24.7 rad/s
  C) 5.83 rad/s
  D) 4.97 rad/s
  E) 12.4 rad/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bbburns21

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

B


jace

  • Member
  • Posts: 541
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

A Tibetan wolf killed in 1938. Note the proportionately short legs A Tibetan wolf killed in 1938. Note the proportionately short legs
Nickel ball Nickel ball
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ... a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ...
A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ... A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ...
The diameter of a semicircle is 4 miles. What is the semicircle's area? The diameter of a semicircle is 4 miles. What is the semicircle's area?
Video: Egg and Sperm Formations in Animals Animation

For a complete list of videos, visit our video library