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

Author Question: Which object has larger kinetic energy: a 500-kg object moving with a speed of 40 m/s or 1000-kg ... (Read 124 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
Which object has larger kinetic energy: a 500-kg object moving with a speed of 40 m/s or 1000-kg object moving at 20 m/s?
 
  A) the 500-kg object moving at 40 m/s
  B) Both have same kinetic energy.
  C) the 1000-kg object moving at 20 m/s
  D) Kinetic energy is independent of mass.
  E) Kinetic energy is independent of speed.

Question 2

The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimension of density is
 
  A) M/L.
  B) L3/M.
  C) M L-3.
  D) MLT.
  E) ML.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Basic overview of energy and human life. Basic overview of energy and human life.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Activation energy graph Activation energy graph
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
The Energy Yield of Fossil Fuels The Energy Yield of Fossil Fuels
A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ... A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ...
Video: Inflammation Animation

For a complete list of videos, visit our video library