She drives for 30.0 min at 80 km/h, 12 min at 105 km/h, and 45 min at 40 km/h. She spends 15.0 min eating lunch and buying gas. Determine the average speed for the trip in km/h.
first person with the correct answer, will be chosen best answer. thanks! :)
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...in a given time? what are the advantages in having the meter officially defined in terms of the distance light travels in a given time rather than as the length of a specific metal bar?
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If the current is coming towards you the equation is 12mph - 4.5mph= 7.5mph.
But if you are going with the current the equation is 12mph plus 4.5mph = 16.5mph
I hope this helps!
...undetermined distance to the west.? The speed of the train is 33.1 m/s. Calculate the direction of the train's motion counterclockwise relative to north.
speed of the motorist for...? A motorist travels 160 km at 40 km/h and 160 km at 100 km/h. What is the average speed of the motorist for this trip?
This is just an example of one of the review questions i found in my book. How would I answer this?
A person travels by car from one city to an- other. She drives for 33.8 min at 78.2 km/h, 11.5 min at 101 km/h, 52.1 min at 35.1 km/h, and spends 13 min along the way eating lunch and buying gas.
Determine the average speed for the trip.
Answer in units of km/h.
I cant seem to figure this out? I dont know how to start it...A car travels north at 30m/s for 10 minutes. It then travels south at 40m/s for 20 minutes. I think I have to do them in segments and then add but i am not sure ...please help