Physics homework
Exercises:
1-The distance-time graph above is for a motorcycle traveling
along a straight road.
A- What is the motorcycle doing between points D and E on
the graph?
Not moving
B- Between which points is it accelerating?
A and B
C- Between which points is its speed steady?
B and C
D- What is this steady speed?
4 m/s
E- What is the distance traveled between A and D?
60 m
F- What is the average speed between A and D?
3 m/s
2- The speed-time graph above is for another motorcycle
traveling along the same road.
A- What is the motorcycle's maximum speed?
30 m/s
B- What is the acceleration during the first 10s?
3 m/s*2
C- What is its deceleration during the last 55?
6 m/s*2
d What distance is traveled during the first 10s?
3 m/s*2
E- What is the total distance traveled?
150 m
F- What is the time taken for the whole journey?
3 m/s
G- What is the average speed for the whole journey?
21 m/s