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

Author Question: An 8.0 kg-m2 wheel with 155. Joules of rotational kinetic energy requires what torque to bring it to ... (Read 20 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
An 8.0 kg-m2 wheel with 155. Joules of rotational kinetic energy requires what torque to bring it to rest in 4.0 s?
 
  A) -1.6 N-m
  B) -1.2 N-m
  C) +0.88 N-m
  D) -1.8 N-m
  E) -1.0 N-m

Question 2

What is the ionization energy of singly ionized helium?
 
  A) 54.4 eV
  B) 13.6 eV
  C) 27.2 eV
  D) 6.80 eV
  E) 36.4 eV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

A


jhjkgdfhk

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
:D TYSM

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Ammonium as an energy source for chemoautotrophic bacteria in soil. Ammonium as an energy source for chemoautotrophic bacteria in soil.
1-16 The Sun’s Daily Path and the Energy It Deposits Here 1-16 The Sun’s Daily Path and the Energy It Deposits Here
Using a torque wrench to tighten connecting rod nuts on an engine. Using a torque wrench to tighten connecting rod nuts on an engine.
Kinetic versus Potential Energy Kinetic versus Potential Energy
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
A) Thumb press across top of shoulder. (B) Repeated pressing to GB-21 to disperse energy; massage ... A) Thumb press across top of shoulder. (B) Repeated pressing to GB-21 to disperse energy; massage ...
Video: Second Messengers in the Inositol-lipid Signaling Pathway

For a complete list of videos, visit our video library