1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A particle moves from a point $$\left( { - 2\widehat i + 5\widehat j} \right)$$ to $$\left( {4\widehat j + 3\widehat k} \right)$$ when a force of $$\left( {4\widehat i + 3\widehat j} \right)$$ N is applied. How much work has been done by the force ?
A
8 J
B
11 J
C
5 J
D
2 J
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
In the given figure, a = 15 m s$$-$$2 represents the total acceleration of particle moving in the clockwise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is

NEET 2016 Phase 2 Physics - Motion in a Plane Question 15 English
A
4.5 m s$$-$$1
B
5.0 m s$$-$$1
C
5.7 m s$$-$$1
D
6.2 m s$$-$$1
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A bullet of mass 10 g moving horizontally with a velocity of 400 m s$$-$$1 strikes a wood block of mass 2 kg which is suspended by light inextensible string of length 5 m. As a result, the centre of gravity of the block found to rise a vertical distance of 10 cm. The speed of the bullet after it emerges out horizontally from the block will be
A
100 m s$$-$$1
B
80 m s$$-$$1
C
120 m s$$-$$1
D
160 m s$$-$$1
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A rigid ball of mass m strikes a rigid wall at 60o and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be :
NEET 2016 Phase 2 Physics - Center of Mass and Collision Question 34 English
A
$$mV$$
B
2 $$mV$$
C
$${{mV} \over 2}$$
D
$${{mV} \over 3}$$