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

Author Question: Three small masses are positioned as follows: 2.0 kg at (0.0 m, 0.0 m), 2.0 kg at (2.0 m, 0.0 m), ... (Read 78 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jul 29, 2018
Three small masses are positioned as follows: 2.0 kg at (0.0 m, 0.0 m), 2.0 kg at (2.0 m, 0.0 m), and 4.0 kg at (2.0 m, 1.0 m). Determine the coordinates of the center of mass (or center of gravity) of this system.
 
  A) (0.50 m, 1.5 m)
  B) (1.5 m, 0.50 m)
  C) (2.5 m, 1.5 m)
  D) (2.5 m, 0.50 m)

Question 2

The hot shot heat engine operating between 40C and 380C has an efficiency that is 60 of that of an ideal Carnot engine operating between the same temperatures.
 
  If the hot shot engine absorbs heat at a rate of 60 kW, at what rate does it exhaust heat? A) 36 kW
  B) 41 kW
  C) 57 kW
  D) 60 kW
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

smrerig

  • Sr. Member
  • ****
  • Posts: 325
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


sheilaspns

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 29, 2018
Thanks


smrerig

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Some of the many small molecules found in cells Some of the many small molecules found in cells
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
Mucosal surface of the small intestine. Mucosal surface of the small intestine.
Endocytosis: Absorption Methods in the Small Intestine Endocytosis: Absorption Methods in the Small Intestine
Summary of digestion and absorption in the small intestine Summary of digestion and absorption in the small intestine
Genetic Drift in Large and Small Populations Genetic Drift in Large and Small Populations
Video: Heart sounds

For a complete list of videos, visit our video library