Exercise:
The average speed of a bus is 20 m/s , how far can it travel in 10 s ?
a) 100 m
b) 200 m
c) 150 m
d) 250 m
A truck accelerates uniformly from 15 m/s to 20 m/s in 5 s. What is the acceleration of truck?
a) 2 m/s2
b) 1.5 m/s2
c) 1 m/s2
d) 2.5 m/s2
A car is moving along a straight line at 20 m/s under goes an acceleration of 4 m/s2. After 2s, its speed will be……………..
a) 28 m/s
b) 16 m/s
c) 12 m/s
d) 8 m/s
A bird begins to accelerates at a constant 0.3 m/s2 for 3 s. Its change in velocity is…………
a) 0.9 m/s
b) 1.5 m/s
c) 1.95 m/s
d) 2.4 m/s
A car is going backward at 5 m/s. After 10 s of uniform acceleration, the car is going forward at 10 m/s. The acceleration is……………..
a) 0.5 m/s2
b) 0.75 m/s2
c) 1.5 m/s2
d) 5 m/s2