A train weighing 196 tonnes experiences a frictional resistance of 5( – McqOptions

MCQOPTIONS

1.	A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is
A.	5 √10 m/sec
B.	10 √5 m/sec
C.	5 √3 m/sec
D.	3 √5 m/sec
Answer» B. 10 √5 m/sec

Discussion

No Comment Found

Related MCQs

The angles between two forces to make their resultant a minimum and a maximum respectively are
From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through
A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be
In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is
If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is
For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is
For a given velocity of a projectile, the range is maximum when the angle of projection is
On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts
One Newton force, is