A woman starts from her home at 9:00 a.m. works with box with speed 5 kilometre per hour on a straight road up to our office 2.5 a 2.5 kilometre away stays at office upto 5 p.m. and returns home by auto with speed 25 km per hour so suitable scales and plot x t graph of her a motion
Answers
Answer:
Explanation:
A woman starts from her home at 9:00 a.m. works with box with speed 5 kilometre per hour on a straight road up to our office 2.5 a 2.5 kilometre away stays at office upto 5 p.m. and returns home by auto with speed 25 km per hour so suitable scales and plot x t graph of her a motion
Time Distance (km)
9:00 0
9:30 2.5
10:00 2.5
10:30 2.5
11:00 2.5
11:30 2.5
12:00 2.5
12:30 2.5
13:00 2.5
13:30 2.5
14:00 2.5
14:30 2.5
15:00 2.5
15:30 2.5
16:00 2.5
16:30 2.5
17:00 2.5
17:06 5
Speed of the woman = 5 km per hour
Distance between her home and the office = 2.5 kilometres
Formula used for getting the time taken = Distance / Speed
= 2.5 / 5
= 0.5 hours = 30 min
It is given to us that she covers the same distance by auto.
Speed of the auto = 25 kilometre per hour
Time Taken = Distance / Speed
= 2.5 / 25
= 1 / 10
= 0.1 hours
= 6 mins
The time graph for this example is given in the figure attached below.
