A woman drives a car from one city to another with different constant speeds along the...

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A woman drives a car from one city to another with different constant speeds along the...

A woman drives a car from one city to another with different constant speeds along the trip. She drives at a speed of 60.0 km/h for 20.0 min, 75.0 km/h for 25.0 min, makes a stop for 45.0 min, then continues at 45.0 km/h for 35.0 min, at which point she reaches her destination.

(a) What is the total distance between her starting point and destination (in km)?
__________km

(b) What is the average speed for the entire trip (in units of km/h)?
__________ km/h

science physics

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