# Answer to Question #20952 in Electric Circuits for Emma

Question #20952

If the odometer of a car reads 0 km at the beginining of a trip, and reads 45 km 30 minutes later what is the average speed of the car?

Expert's answer

If the odometer of a carreads 0 km at the beginining of a trip, and reads 45 km 30 minutes later what

is the average speed of the car?

V_av=S_total/T_total

V_av - the average speed

S_total - the total distance

T_total - the total time

V_av = 45 km / 30 minutes = 45 km / 0.5 hours =45/0.5 km/h = 90 km/h

is the average speed of the car?

V_av=S_total/T_total

V_av - the average speed

S_total - the total distance

T_total - the total time

V_av = 45 km / 30 minutes = 45 km / 0.5 hours =45/0.5 km/h = 90 km/h

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