Question

-L1 - CLASS 7 - ADVANCED IIT & MEDICAL FOUNDATION BOOK
MOTION - KINEMATICS
A train is moving along a straight path with uniform acceleration. Its engine passes across a
pole with a velocity of 60 km/h and the end (guard's van) passes across same pole with a
velocity of 80 km/h. The middle point of the train will pass across same pole with a
velocity..
[ ]
a) 60 km/h b) 75 km/h c) 65 km/
h d ) 70.7 km/h​

Answer 1

Answer:

It will be d✓ 70.7 km/h

This is because, the velocity of the middle will be in between the velocities of the first end and the last end.

Refer to the attachment for calculations.