Answer:
at point A the ball possess pontetial energy , point B kinetic energy then point C pontetial energy
Which of these is an example of convection?
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A. an egg boiling in water
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B. an egg frying in a pan
C. an egg exposed to a flame
D. an egg warming under a light
Answer:
Explanation:
Let the linear charge density of the charged wire is given as
here we can use Gauss law to find the electric field at a distance r from wire
so here we will assume a Gaussian surface of cylinder shape around the wire
so we have
here we have
so we have
Answer:
Explanation:
Average velocity = Displacement/Time
ΔS = -10+6
ΔS = -4m
Given tme = 30s
Average velocity = -4/30
Average velocity = -0.13m/s
Average speed = Distance/Time
Total distance covered = 10m+6m
Total distance covered = 16m
Average speed = 16/30
Average speed = 0.53m/s
The force of attraction for the states of matter, which can be ignored for most part of calculation or observation, is the gases.
<u>Explanation:
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Gases have incredibly less force of attraction. The inter molecular space between the gaseous molecules are so vast that the force of attraction between them is negligible.
And, for a matter of assumption for smooth calculation, factors which are negligibly less can be ignored. And, thus, for most part of science, the attractive force is ignored among the gaseous particles.
