The slope of distance-time graph represents…...
a) acceleration
b) change in acceleration
c) speed
d) distance
The area under a speed-time graph represents…
a) acceleration
b) change in acceleration
c) distance
d) velocity
A student riding his bicycle on a straight flat road covers one block every 7 seconds. If each block is 100 m long, he is travelling at………..
a) constant speed
b) constant velocity
c) 10 m/s
d) both a & b
You drop a rock from a bridge to the river below. When the rock has fallen 4 m, you drop a second rock. As the rocks continue their free fall, their separation . . . . . .
a) increase
b) decrease
c) stay the same
d) none
With what speed must a ball thrown vertically from ground level to rise to a maximum height of 50 m?
a) -31.3 m/s
b) 31.3 m/s
c) 112.68 km/h
d) both b & c
