Laws of MotionHard
Question
A block is placed on a n inclined planed moving towards right horizontally with an acceleration a0 = g. The length of the plane AC = 1m. Friction is absent everywhere. The time taken by the block to reach from C to A is (g=10 m/s2)
Options
A.1.2 s
B.0.74 s
C.2.56 s
D.0.42 s
Solution
FBD of block w.r.t wedge
Acceleration of block w.r.t wedge
=
gnow from S = ut +
at2 , 1 = 
gt2⇒ t =
= 0.74 sCreate a free account to view solution
View Solution FreeMore Laws of Motion Questions
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the long...If a metallic sphere gets cooled from 62oC to 50oC in 10 minutes and in the next 10 minutes gets cooled to 42oC, then th...Two masses of 1 kg and 5 kg are attached to the ends of a massless string passing over a pulley of negligible weight. Th...Two blocks A and B of mass 10 kg and 40 kg are connected by an ideal string as shown in the figure. Neglect the masses o...The force exerted by the floor of an elevator on the foot of a person standing there is less than the weight of the pers...