Answer:
12. Four speed-time graphs are shown below in Fig. (a),
(b), (c) and (d).
Speed (m s-)
---Speed (ms-')
Time (s)
(a)
(b)
Speed (ms)
- Speed (ms)
- Time (s)
(d)
Which graph represents the following case?
(a) A ball thrown vertically upwards and returning
to the hand of the thrower
(b) An object decelerating to a constant speed and
then accelerating
(c) Uniform motion of a car
Justify your choice.
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Answers & Comments
Answer:
12. Four speed-time graphs are shown below in Fig. (a),
(b), (c) and (d).
Speed (m s-)
---Speed (ms-')
Time (s)
Time (s)
(a)
(b)
Speed (ms)
- Speed (ms)
Time (s)
- Time (s)
(d)
Which graph represents the following case?
(a) A ball thrown vertically upwards and returning
to the hand of the thrower
(b) An object decelerating to a constant speed and
then accelerating
(c) Uniform motion of a car
Justify your choice.