NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 183  185 of 2142
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Question number: 183
» Kinematics » Motion in a Plane
Question
A projectile is thrown at an angle 0 and (90°  0) from the same point with same velocity 98 m/s. The heights attained by them, if the difference of heights is 50 m will be (in m)
Choices
Choice (4)  Response  

a.  270, 220 

b.  200, 150 

c.  250, 200 

d.  300, 250 

Question number: 184
» Kinematics » Average Speed and Instantaneous Velocity
Question
Savita throws a ball horizontally with a velocity of 8 m/s from the top of her building. The ball strikes to her brother Sudhir playing at 12 m away from the building. What is the height of the building?
Choices
Choice (4)  Response  

a.  7m 

b.  8m 

c.  10m 

d.  11m 

Question number: 185
» Kinematics » Average Speed and Instantaneous Velocity
Question
Choose the correct options
(1) A ball is dropped from the window of a moving train on horizontal rails, the path followed by the ball as observed by the observer on the ground is parabolic path.
(2) If T be the total time of flight of a current of water and H be the maximum height attained by it from the point of projection, then H/T will be (1/4) u sin 0
(u = projection velocity and 0 = projection angle)
(3) A hunter aims his gun and fires a bullet directly at a monkey on a tree. At the instant bullet leaves the gun, monkey drops, the bullet misses to hit the monkey.
(4) If a baseball player can throw a ball at maximum distance = d over a ground, the maximum vertical height to which he can throw it, will be d
(Ball have same initial speed in each case)
Choices
Choice (4)  Response  

a.  2 and 4 

b.  1 and 2 

c.  1 and 3 

d.  1, 2 and 3 
