Question

Deline speed. A car moves with a speed of 45kmh for 20 minutes and the 75km
for next 20 minutes Calculate the total distance covered by the car.​

Answer 1

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[tex]Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction.

Distance covered = Speed * Time

Speed = 45 km per hour

time taken= 20min or 0.3 hour

Distance covered = 45*0.3 = 13.5 km

Speed = 75 km per hour

Time taken = 20 min or 0.3 hour

Distance covered = 75*0.3 = 22.5 km

Total distance covered = (13.5 + 22.5)km= 36.0km[\tex]