First calculate the the force per kilogram(0.25 / 20 or 80N) so 80m/s^2
Answer:
Mass remains the same while weight changes based on location.
Explanation:
The true statement of all is that mass remains the same but weight varies from place to place based on location.
Mass is the amount of matter in a substance. This amount is the same any where on earth or in the universe since the same standard is used.
Weight is the vertical force on a body. It is usually the product of gravity and mass;
Weight = mass x acceleration due to gravity
Since gravity varies from place to place, weight will also vary.
If it happens to be cruising along at 5 meters per second (about
11 miles per hour), then it covers 10 meters in 2 seconds without
any acceleration at all.
Explanation:
Work done by gravity is given by the formula,
W = ......... (1)
It is known that when levels are same then height of the liquid is as follows.
h = ......... (2)
Putting value of equation (2) in equation (1) the overall formula will be as follows.
W =
=
= 0.689 J
Thus, we can conclude that the work done by the gravitational force in equalizing the levels when the two vessels are connected is 0.689 J.