a car moving travel 10m north in time 2s then moves 6m in time 4s moves travel 2m in time 2s .calculat average speed and average velocity
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Explanation:
Object travels North at
8
m
s
for
3
s
→
object travels
8
m
s
×
3
s
=
24
m
North
then
it travels South at
6
m
s
for
7
s
→
object travels
6
m
s
×
7
s
=
42
m
South
Total distance traveled:
24
m
+
42
m
=
66
m
Total displacement from point of origin:
XXX
24
m
N
+
42
m
S
=
−
24
m
S
+
42
m
S
=
18
m
S
Total time involved in travel:
3
s
+
7
s
=
10
s
Average speed
=
total distance
total time
=
66
m
10
s
=
6.6
m
s
Average velocity
=
total displacement
total time
=
18
m
S
10
s
=
1.8
m
s
S
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