Question

1. A car starts from rest at 5.00 p.m. The distances covered by the car at various instants of time
are recorded as follows:
Time (p.m.)
5:00 5:30 6:00 6:30 7:00 7:30
Distance (km) 0
30
60
90
120 150
a) Draw a distance -time graph.
b) What distance is covered by the car at 6:15 p.m.?
c) What is the speed of the car at 6:30 p.m.?
d) What is the speed of the car at 7:30 p.m.?
e) What can you say about the motion of the car?

Answer 1

Answer:

75 km

Explanation:

Since the distance covered in one time interval is

30 km ... and time taken to cover this 30 km is 30

min it means you may say that the cars speed is

1km/min ......

then for 6:15 pm the distance covered will be

60 + 15 = 75 km.........