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
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 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
1 Km/hour=
18/5 m/s
16/5 m/s
5/18 m/s
none of these
A body is said to possess acceleration if its velocity is
increasing
no change
decreasing
None of these
C.G.S unit of speed is
m/s2
cm/sec
km/s
erg
Acceleration is a
Scalar quantity
Vector quantity
Uniform velocity
The position of a particle going along a straight line is x1 = 50 m at 10.30 a.m. and x2 = 55 m at 10.35 a.m.The displacement between 10.30a.m and 10.35a.m. is :
2 m
5 m
7 m
9 m
A body is said to move with _________ if it covers equal displacement in equal intervals of time.
Acceleration
Speed
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