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mezya [45]
3 years ago
7

If a train conductor is describing the speed of the train as well as the direction the train is going, then the train conductor

is said to be describing the train's
Physics
1 answer:
natita [175]3 years ago
5 0
Then, train conductor is said to be describing the train's VELOCITY........
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4. How long will it take a car travelling with a speed of 160 km hr to cover a distance of 700 meters? Hint: km/hr should be con
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Answer:

15.8 seconds

Explanation:

Create an extended calculation to convert all the unit to what you need.

160 km      1000 m       1 hour         1 min

----------- x ------------- x -------------- x ----------   =  44.4 m/s

1 hour            1 km         60 min      60 sec

So 160km/hr is equal to 44.4m/s

Now you can figure out how many seconds it will take to go 700 meters.

44.4 m          

----------   X     x sec   =  700 m

1  sec

Solve for x sec

x sec = 700m / 44.4 m/s

         =  15.8 seconds

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