Work, Energy and Power (AIIMS Physics): Questions 15  19 of 25
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Question number: 15
» Work, Energy and Power » Kinetic Energy
Question
Two bodies with kinetic energies in the ratio of are moving with equal linear momentum. The ratio of their masses is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 16
» Work, Energy and Power » WorkEnergy Theorem
Question
A bullet loses of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.
Choices
Choice (4)  Response  

a.  10 

b.  5 

c.  3 

d.  9 

Question number: 17
» Work, Energy and Power » Conservative and NonConservative Forces
Question
A water drop of mass is introduced between two plates with separation . Calculate the force of attraction between the plates.
Choices
Choice (4)  Response  

a.  1.8 N 

b.  2.8 N 

c.  1.0 N 

d.  3.2 N 

Question number: 18
» Work, Energy and Power » Kinetic Energy
Question
Find the mean translation kinetic energy of an oxygen molecule at 27^{0} C. (Given: Avogadro number and ).
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 19
» Work, Energy and Power » WorkEnergy Theorem
Question
A block of mass 20 kg is moving in xdirection with a constant speed of . It is subjected to a retarding force during its travel from to . Its final kinetic energy will be –
Choices
Choice (4)  Response  

a.  500 joules 

b.  850 joules 

c.  750 joules 

d.  920 joules 
