KinematicsMotion in a Straight Line (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 41  46 of 47
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Passage
A particle moves along xaxis and its acceleration at any time t is a = 2 sin (πt), where t is in seconds and a is in m/s ^{2}. The initial velocity of particle (at time t = 0) is u = 0.
Question number: 41 (1 of 3 Based on Passage) Show Passage
» Kinematics » Motion in a Straight Line
Question
The magnitude of displacement (in meters) by the particle from time t = 0 to t = t will be –
Choices
Choice (4)  Response  

a.   

b.   + 

c. 


d.  None of the above 

Question number: 42 (2 of 3 Based on Passage) Show Passage
» Kinematics » Motion in a Straight Line
Question
the distance travelled (in meters) by the particle from time to t = 0 to t = 1 is will be
Choices
Choice (4)  Response  

a.  4/π 

b.  2/π 

c.  1/π 

d.  None of the above 

Question number: 43 (3 of 3 Based on Passage) Show Passage
» Kinematics » Motion in a Straight Line
Question
The distance travelled (in meters) by the particle from time t = 0 to t = t will be –
Choices
Choice (4)  Response  

a.   + 

b.   

c. 


d.  All of the above 

Question number: 44
» Kinematics » Motion in a Straight Line
Question
A motor car is travelling at 30 m/s on a circular road of radius 500 m. It is increasing its speed at the rate of 2 m/s ^{2}. Its net acceleration is (in m/s ^{2}) –
Choices
Choice (4)  Response  

a.  0 

b.  1.8 

c.  2 

d.  2.7 

Question number: 45
» Kinematics » Motion in a Straight Line
Question
A motor car is travelling at 50 m/s on a circular road of radius 600 m. It is increasing its speed at the rate of 4 m/s ^{2}. Its net acceleration is (in m/s ^{2}) –
Choices
Choice (4)  Response  

a.  4.8 

b.  5.7 

c.  2 

d.  0 

Question number: 46
» Kinematics » Motion in a Straight Line
Question
If t _{1} be the time taken by a body to clear the top of a building and be the time spent in air, then t _{2}: t _{1} will be 
Choices
Choice (4)  Response  

a.  2: 1 

b.  1: 1 

c.  1: 2 

d.  1: 4 
