1
IIT-JEE 2011 Paper 2 Offline
Numerical
+4
-0
A train is moving along a straight line with a constant acceleration 'a'. A boy standing in the train throws a ball forward with a speed of 10 m/s, at an angle of $$60^\circ $$ to the horizontal. The boy has to move forward by 1.15 m inside the train to catch the ball back at the initial height. The acceleration of the train, in m/s2, is
Your input ____
2
IIT-JEE 2011 Paper 2 Offline
Numerical
+4
-0

A block of mass 0.18 kg is attached to a spring of force-constant 2 N/m. The coefficient of friction between the block and the floor is 0.1. Initially the block is at rest and the spring is un-stretched. An impulse is given to the block as shown in the figure. The block slides a distance of 0.06 m and comes to rest for the first time. The initial velocity of the block in m/s is V = N/10. Then N is

IIT-JEE 2011 Paper 2 Offline Physics - Work Power & Energy Question 18 English

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3
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0.75

A ball of mass 0.2 kg rests on a vertical post of height 5 m. A bullet of mass 0.01 kg, traveling with a velocity V m/s in a horizontal direction, hits the center of the ball. After the collision, the ball and bullet travel independently. The ball hits the ground at a distance of 20 m and the bullet at a distance of 100 m from the foot of the post. The velocity V of the bullet is

IIT-JEE 2011 Paper 2 Offline Physics - Impulse & Momentum Question 15 English

A
250 m/s
B
$$250\sqrt 2 $$ m/s
C
400 m/s
D
500 m/s
4
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0.75
A satellite is moving with a constant speed ‘V’ in a circular orbit about the earth. An object of mass ‘m’ is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is
A
$${1 \over 2}m{V^2}$$
B
$$m{V^2}$$
C
$${3 \over 2}m{V^2}$$
D
$$2m{V^2}$$
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