Can you help me with this paper please I will give you 20 points!
2 answers:
Answer: What Is Magnetism
Explanation:
1. Yes, these magnets are attracting on a magnet South and South DO NOT attract only South and North same goes for North and North
2. If the magnet on the left were to turn around it would now be North and North so therefore there would be an immediate repel
3. North and South pole
4. Magnet
5. Magnetic force
6. Magnetism
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Actually Welcome to the concept of Efficiency.
Here we can see that, the Input work is given as 2.2 x 10^7 J and the efficiency is given as 22%
The efficiency is => 22% => 22/100.
so we get as,
E = W(output) /W(input)
hence, W(output) = E x W(input)
so we get as,
W(output) = (22/100) x 2.2 x 10^7
=> W(output) = 0.22 x 2.2 x 10^7 => 0.484 x 10^7
hence, W(output) = 4.84 x 10^6 J
The useful work done on the mass is 4.84 x 10^6 J