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
The distance covered by a body in a unit time interval is called
Displacement
Force
Speed
Acceleration
1 Km/hour=
18/5 m/s
16/5 m/s
5/18 m/s
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
Distance
Velocity
Jerk
In MKS system unit of velocity is
cm/sec
m/s
m/s2
m2sec2
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
SI unit of velocity is
Km/sec
Kg2/Nm2
The rate of change of displacement is
Retardation
Acceleration is a
Scalar quantity
Vector quantity
Uniform velocity
None of these
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
