Answer:
<h3>The answer is 20 mL</h3>Explanation:
The volume of a substance when given the density and mass can be found by using the formula
From the question
mass = 24 g
density = 1.2 g/mL
We have
We have the final answer as
<h3>20 mL</h3>Hope this helps you
Answer:
Wg is positive and WT negative.
(Letters in options are all wrongly written).
Explanation:
Remember that the work of a force is the internal product between the force and the displacement .
Since the displacement is downwards like the weight, the work done by gravity is positive, while the work done by the tension is negative since it points upwards.