<span>A glance at the night sky above Earth shows that some stars are much brighter than others. </span>Apparent brightness is how we see the star's brightness from Earth. The absolute brightness is what a star would look like if there was a standard distance that we were looking at all of the stars from.
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☯ <u>According</u> <u>to</u> <u>the</u> <u>given</u> <u>data</u>,
☯ <u>As</u> <u>we</u> <u>know</u> <u>that</u>,
★ The electric potential at center of square is 3.6 × 10⁴ J/c
The height of the ball is 2.45 m.
To calculate the height of the ball, we use the formula below.
<h3>Formula</h3>
- E = mgh................ Equation 1
Where:
- E = Elastic energy of the spring
- m = mass of the ball
- h = height of the ball
- g = acceleration due to gravity.
make h the subject of the equation
- h = E/mg...............Equation 2
From the question,
Given:
- E = 7.2 J
- m = 0.3 kg
- g = 9.8 m/s²
Substitute these values into equation 2
- h = 7.2/(0.3×9.8)
- h = 7.2/2.94
- h = 2.45 m
Hence, The height of the ball is 2.45 m.
Learn more about height here: brainly.com/question/1739912
Answer:
Energy: Capacity for doing work, or the capacity for producing an effect such as movement or light, among other things.
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Answer:
Explanation:
I dont know if this will help but A two force member is a body that has forces (and only forces, no moments) acting on it in only two locations. In order to have a two force member in static equilibrium, the net force at each location must be equal, opposite, and collinear.