1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
All the graphs below are intended to represent the same motion. One of them does it incorrectly. Pick it up.
A
JEE Main 2018 (Offline) Physics - Motion Question 151 English Option 1
B
JEE Main 2018 (Offline) Physics - Motion Question 151 English Option 2
C
JEE Main 2018 (Offline) Physics - Motion Question 151 English Option 3
D
JEE Main 2018 (Offline) Physics - Motion Question 151 English Option 4
2
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Two masses m1 = 5 kg and m2 = 10 kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is 0.15. The minimum weight m that should be put on top of m2 to stop the motion is : JEE Main 2018 (Offline) Physics - Laws of Motion Question 95 English
A
10.3 kg
B
18.3 kg
C
27.3 kg
D
43.3 kg
3
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
In a collinear collision, a particle with an initial speed v0 strikes a stationary particle of the same mass. If the final total kinetic energy is 50% greater than the original kinetic energy, the magnitude of the relative velocity between the two particles, after collision, is :
A
$${{{v_0}} \over {\sqrt 2 }}$$
B
$${{v_0}} \over 4$$
C
$$\sqrt 2 {v_0}$$
D
$${{v_0}} \over 2$$
4
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is : JEE Main 2018 (Offline) Physics - Rotational Motion Question 174 English
A
$${{181} \over 2}M{R^2}$$
B
$${{55} \over 2}M{R^2}$$
C
$${{19} \over 2}M{R^2}$$
D
$${{73} \over 2}M{R^2}$$
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