In C.G.S System unit of Velocity is
cm/sec
m/sec
cm/sec2
None of these
From the below diagram, a body moves from A to B in a straight line path, the length of line joining the initial position A and to the final position B is called
Displacement
Distance
Velocity
Jerk
A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?
65 sec
89 sec
100 sec
150 sec
Acceleration is a
Scalar quantity
Vector quantity
Uniform velocity
When the velocity of a body is changing ,the body is said to be
changing
rotating
accelerating
All physical quantities can be separated into
two
three
four
can't say
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
200 m
225 m
245 m
250 m
A particle has a value of 46.0 ms-1. It may be the
force of the particle
velocity of the particle
momentum of the particle
acceleration of the particle
A body is said to possess acceleration if its velocity is
increasing
no change
decreasing
A car covers 30 km at a uniform speed of 60km/hr, and the next 30 km at a uniform speed of 40km/hr. The total time taken is :
30 min
45 min
75 min
60 min