Answer:
Displacement CO=2.15 Km
Average velocity = 1.99 Km/h
Explanation:
Given
Total time = 1.08 h
OA= 1.62 Km
AB=0.246 Km
BC=3.08 Km
θ=50.4°
CE=3.08 sin50.4° =2.37 Km
BE=3.08 cos50.4° =1.96 Km
CE=AB+OD
OD=CE-AB
OD=2.37-0.246
OD=2.124 Km
BE=CD+OA
CD=BE-OA
CD=1.96-1.62
CD=0.34 Km
Now CO
CO=2.15 Km
So the displacement CO=2.15 Km
Average velocity =Displacement/Time
Average velocity = 2.15/1.08 Km/h
Average velocity = 1.99 Km/h
Answer:
Average speed = 0.35 m/s
Explanation:
Given the following data;
Distance = 1.3 Km
Time = 62 minutes
To find the average speed in m/s;
First of all, we would convert the quantities to their standard unit (S.I) of measurement;
Conversion:
1.3 kilometres to meters = 1.3 * 1000 = 1300 meters
For time;
1 minute = 60 seconds
62 minutes = X
Cross-multiplying, we have;
X = 62 * 60
X = 3720 seconds
Now, we can calculate the average speed in m/s using the formula;
Average speed = 0.35 m/s