Construct a position-time graph that shows the forward progress of Sunny The Dog in a straight line for 20 meters over the cours
e of 4 seconds.
1 answer:
Answer:
The answer to your question is the second graph (the one attached).
Explanation:
We have to look for the graph that represents the data given.
a) The first graph is not correct because we look for a distance of 20 m, and this graph only goes from 0 to 10 m.
b) this graph is correct because it covers the distance (20 m) and the time (4 s)
c) This graph could be the right ooption but it is coming back and we look for a forward progress, then this graph is incorrect.
d) This graph shows that the dog is not moving, so this option is wrong.
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From gas laws:
Therefore,
P1 = 1200 mm
V1 = 85 ml
T1 = 90°C = 363.15 K
P2 = 850 mm
V2 = 350 ml
T2 = ?
Substituting;
= 786.04 °C
Therefore,
P1 = 1200 mm
V1 = 85 ml
T1 = 90°C = 363.15 K
P2 = 850 mm
V2 = 350 ml
T2 = ?
Substituting;