Wednesday
October 22, 2014

Homework Help: physics

Posted by priya on Tuesday, June 15, 2010 at 4:18am.

On a 120km track,a train travels the first 30km at a uniform speed of 30km/hr.how fast must the train travel the next 90km so as to average 60km/hr for the entire trip?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - On a 120 km track, a train travels the first 30 km at a uniform speed ...
Physics - a train travels the first 30 km of 120 km track with a uniform speed ...
physics - On a 60 km straight road,a bus travels the first 30km with a uniform ...
SCIENCE(PHYSICS) - A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr ...
physics - A train travel some distance with a speed of 30km/hr and return with a...
physics - A train travel some distance with a speed of 30km/hr and return with a...
physics - A train travel some distance with a speed of 30km/hr and return with a...
physics - A train travel some distance with a speed of 30km/hr and return with a...
SCIENCE(PHYSICS) - A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr ...
SCIENCE(PHYSICS) - A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr ...

Search
Members