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Subjects
Science CBSE
Class 7
Motion and time
Textbook questions
4.
Exercise IV
Exercise condition:
3
m.
The distance between two stations is
240
km
. A train takes
4
h
to cover this distance. Calculate the speed of the train.
The formula for the speed is given as
Uniform\ motion\ =
\frac {Time\ period}{Speed}
Speed\ =
\frac {Distance\ travelled}{Time\ taken}
Speed\ =
\frac {1}{Time\ taken}
Speed\ =
{Time\ taken} \times{Distance\ travelled}
On substituting the given values in the formula, we get the speed as
km/h
.
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