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Subjects
Science CBSE
Class 7
Motion and time
Speed, time and distance-time graph
7.
Unit conversion and speed calculation
Exercise condition:
6
m.
1
.
Jane
was riding a
car
which travels at a speed of
427
m/s
. Calculate its speed in
km/h
.
Answer
:
km/h
2
.
In a race,
Jane
runs
508
metres
in
17
minutes
15
seconds
. Calculate the total speed in
metres\ per\ second
m/s
?
Answer
:
m/s
1
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