Work, Energy and PowerWorkEnergy Theorem (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 1  2 of 2
Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time!
View Sample Explanation or View Features.
Rs. 600.00 or
How to register?
Question number: 1
» Work, Energy and Power » WorkEnergy Theorem
Question
The stopping distance for a vehicle of mass M moving with a speed v along a level road, will be  (u is the coefficient of friction between tyres and the road)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Work, Energy and Power » WorkEnergy Theorem
Question
The earth circles the sun once a year. How much work would have to be done on the earth to bring it to rest relative to the sun, (ignore the rotation of earth about its own axis) Given that mass of the earth is 6 x 10 ^{24} kg and distance between the sun and earth is 1.5 x 10 ^{8} km
Choices
Choice (4)  Response  

a.  1.9 x 10 ^{23}  
b.  2.7 x 10 ^{24}  
c.  2.7 x 10 ^{33}  
d.  1.9 x 10 ^{24} 