A 3.5 V battery is connected to a wire with a resistance of 2.5 Ohms. Use Ohm's law to calculate the current for this wire
2 answers:
Answer:
1.4A
Explanation:
Ohm's law states the the current flowing through a metallic conductor is directly proportional to the potential difference applied across it provided that the temperature and other necessary physical conditions remain constant.
This law is mathematically rendered as follows;
where V is the potential difference, I is the current and R is the resistance of the conductor.
The current I could be determined by making it the subject of formula provided other parameters are known.
Given;
V = 3.5V
R = 3.5Ohms.
We then substitute these into equation(2) to obtain I.
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Answer:
p=1
Explanation:
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and that a=m/s^2
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Answer:
The velocity will be v1 = 0.58[m/s]
Explanation:
This problem can be solved by the law of conservation of the moment, which explains that the moment of a system remains constant because there are no external forces acting on it.
We have the following initial data:
m1 = mass of the skater = 55 [kg]
m2 = mass of the ball = 3 [kg]
v2 = velocity of the ball = 8 [m/s]
Therefore: