Kinematics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 146  150 of 233
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Question number: 146
» Kinematics » Uniform and NonUniform Motion
Question
A body whose mass 6 kg is acted upon by two forces (8i + 10j) N and (4i + 8j) N. The acceleration produced will be (in m/s ^{2}) 
Choices
Choice (4)  Response  

a.  12i + 18j 

b.  (3i + 2j) 

c.  1/3 (G + 3) 

d.  2i + 3j 

Question number: 147
» Kinematics » Average Speed and Instantaneous Velocity
Question
A cricket ball of mass 150 g is moving with a velocity of 12m/sec and is hit by a bat so that the ball is turned back with a velocity of 20 m/sec; the force on the ball acts for 0.01 sec, then the average force exerted by the bat on the ball will be
Choices
Choice (4)  Response  

a.  40 N 

b.  48 N 

c.  400 N 

d.  480 N 

Question number: 148
» Kinematics » Average Speed and Instantaneous Velocity
Question
A lady is walking on a level road at a speed of 8 km/h. Raindrops fall vertically with a speed of 6 km/h. Find the velocity of raindrops with respect to the men.
Choices
Choice (4)  Response  

a.  4 km/hr 

b.  3 km/hr 

c.  10 km/hr 

d.  7 km/hr 

Question number: 149
» Kinematics » Average Speed and Instantaneous Velocity
Question
A body of mass 2 kg is moving along xdefection with a velocity of 2 m/sec. If a force of 4 N is applied on it along ydirection for 1 sec, the final velocity of particle will be 
Choices
Choice (4)  Response  

a.  2√2 m/s 

b.  √2m/s 

c.  1/√2 m/s 

d.  1/2√2 m/s 

Question number: 150
» Kinematics » Uniform and NonUniform Motion
Question
A force of () N acted on a body of mass 20 kg. The displacement after 20 sec, if it starts from rest, will be 
Choices
Choice (4)  Response  

a.  100 m along with x axis 

b.  200 m along with x axis 

c.  500 m along with x axis 

d.  Question does not provide sufficient data or is vague 
