You have new items in your feed. Click to view.
Question and answer
A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car?
A. 625 N B. 20,250 N C. 703 N D. 15,625 N
CF = mv^2/r= 2000*25^2/80 CF = A. 15,625 N
Get an answer
Original conversation
User: What is the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s? A. 5,880 J B. 6,000 J C. 2,940 J D. 12,000 J

User: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 5.42 m/s B. 13.58 m/s C. 33 m/s D. 2.75 m/s

User: A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car? A. 625 N B. 20,250 N C. 703 N D. 15,625 N

Weegy: CF = mv^2/r= 2000*25^2/80 CF = A. 15,625 N
shifa saleheen|Points 9603|

User: Within the metric system all units are based on the number A. 1. B. 100. C. 10. D. 1000.

User: A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 92 percent B. 96 percent C. 94 percent D. 97 percent





Weegy: C. 94 percent
Expert answered|justpretty|Points 290|

Question
Asked 4/7/2012 4:57:40 PM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
What factor led the English to attempt to kill off entire Native American peoples? A. The English relied on black slaves and wanted Native Americans' land. B. Native Americans provided a good labor source for the Spanish. C. The Native Americans' large populations were a direct threat. D. Native Americans had vast wealth to exploit for tribute.
Weegy: C. The English relied on black slaves and wanted Native Americans' land. User: The state that Europeans came to eye like greedy creditors around a rich man's deathbed was the _______ Empire. A. Russian B. Ottoman C. Austrian D. Persian Weegy: A. Russian (More)
Question
Expert Answered
Asked 4/7/2012 1:41:55 PM
0 Answers/Comments
The state that Europeans came to eye like greedy creditors around a rich man's deathbed was the _______ Empire. A. Russian B. Ottoman C. Austrian D. Persian
Weegy: B. Persian User: . The Dutch and the French succeeded in overtaking Arabia in the production of A. silk. B. coffee. C. cloves. D. pepper. User: During the sixteenth and seventeenth centuries, the major reason for the high death rate among Native Americans from disease was A. overwork. B. lack of immunities. C. malnutrition. D. warfare. User: Which of the following were the most important staple products introduced from the New World into Eurasia? A. Maize, potatoes, and sweet potatoes B. Maize, bananas, and rice C. Tobacco, potatoes, and quinine D. Wheat, potatoes, and tobacco Weegy: D. Maize, potatoes, and sweet potatoes User: For most people, the religious revival of the eighteenth century focused on A. individual study of the scriptures. B. a scientific and reasoned approach to faith. C. feelings and enthusiasm. D. returning to organized religions that had successfully dealt with public corruption. Weegy: Happy to help you, the answer is C. User: The most important factor in the British conquest of India during the eighteenth century was the A. willingness of the British government to pay for an invasion. B. political disunity in India. C. addiction of millions of Indians to opium. D. superiority of British machine guns. (More)
Question
Expert Answered
Asked 4/7/2012 1:55:01 PM
0 Answers/Comments
The ratio of output power to input power, in percent, is called A. efficiency. B. work. C. horsepower. D. conductivity.
Weegy: The ratio of output power to input power, in percent, is called A. efficiency. (More)
Question
Expert Answered
Asked 4/7/2012 4:50:59 PM
0 Answers/Comments
When an automotive battery is fully charged, the sulfuric acid and water mixture will have a specific gravity of about A. 2.5. B. 1.3. C. 1.0. D. 0.15.
Weegy: The answer is: B. 1.3 .. When an automotive battery is fully charged, the sulfuric acid and water mixture will have a specific gravity of about "1.3". (More)
Question
Expert Answered
Asked 4/7/2012 5:09:15 PM
0 Answers/Comments
25,782,881 questions answered
Weegy Stuff
S
P
L
Points 539 [Total 1289] Ratings 1 Comments 529 Invitations 0 Offline
S
Points 212 [Total 633] Ratings 1 Comments 202 Invitations 0 Offline
S
P
Points 203 [Total 462] Ratings 1 Comments 193 Invitations 0 Offline
S
L
P
P
P
Points 175 [Total 2923] Ratings 0 Comments 175 Invitations 0 Offline
S
Points 88 [Total 227] Ratings 0 Comments 88 Invitations 0 Offline
S
L
P
P
P
Points 68 [Total 3772] Ratings 0 Comments 68 Invitations 0 Offline
S
Points 11 [Total 61] Ratings 1 Comments 1 Invitations 0 Offline
S
1
L
L
P
R
P
L
P
P
R
Points 8 [Total 12606] Ratings 0 Comments 8 Invitations 0 Offline
S
L
Points 3 [Total 1766] Ratings 0 Comments 3 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.