2 near the middle
between ultraviolet and infared
The height of the ball after the given time of motion is 3.275 m.
The given parameters;
- initial velocity of the ball, u = 4 m/s
- height of fall of the ball, h = 2.5 m
- time of motion, t = 0.5 s
The distance traveled by the ball is calculated as follows;
Thus, the height of the ball after the given time of motion is 3.275 m.
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The current in the second wire is 1.37 A.
<h3>Current in the second wire</h3>
The current in the second wire is calculated from the magnetic force between the two wires.
F/L = (μI₁I₂)/(2πr)
where;
- μ is permeability of free space
- I₂ is current in the second wire
- F/L is force per unit length
- r is the distance between the two wires
μI₁I₂ = (F/L 2πr)
I₂ = ((F/L 2πr) / (μI₁)
I₂ = (7.7 x ⁻⁵ x 2π x 0.082)/(4π x 10⁻⁷ x 23)
I₂ = 1.37 A
Thus, the current in the second wire is 1.37 A.
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Liquids state than in the solid state because when it is solid the particals cant move as much than in the liquid state
I believe it’d have a higher resistance because if it had a lower resistance more electrons could travel threw it