Answer:
The right answer is "3 g".
Explanation:
Given:
Initial mass substance,
By using the relation between half lives and amount of substances will be:
⇒
Thus, the above is the correct answer.
The picture shows an aerialist walking on a tightrope and holding a balancing bar. An action-reaction pair of forces exist betwe
en—
A- the two ends of the rope
B- the rope and the balancing bar
C- the aerialist feet and the rope
D- the aerialist arms and legs.
A- the two ends of the rope
B- the rope and the balancing bar
C- the aerialist feet and the rope
D- the aerialist arms and legs.
1 answer:
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