Homework Help: physics

Posted by USC on Wednesday, August 31, 2011 at 11:43pm.

A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 22.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 8.0 min to find the report, after which the trip to school 42.0 km away to the east is resumed at the same speed as before.
What is the average speed for the entire trip ?

No one has answered this question yet.

Answer this Question

Related Questions

physics - A commuting student leaves home and drives to school at an average ...
Physics - Could someone please review my answers and tell me if I am on the ...
physics - Sally travels by car from one city to another. She drives for 30.0 min...
Physics - Sally travels by car from one city to another. She drives for 40.2 min...
Physics - Sally travels by car from one city to another. She drives for 25.0 min...
Physics - Sally travels by car from one city to another. She drives for 28.0 min...
physics - A person travels by car from one city to another with different ...
college physics - urgent help please...i need answers for this... 1.) a sprinter...
physics - A man leaves the garrage in his house and drives to a neighbouring ...
physicsssss - You are driving home from school steadily at 95 km/h for 130 km. ...

For Further Reading

First Name:
School Subject:
Answer: