Why does it take the water in a swimming pool some time to heat up during a hot day?
1 answer:
Because the top layer of a pool will be warmer than the bottom layer, that why filtration is important to cycle the water evenly.
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There are 5 atoms 1=LI 1=N 3=O
Answer:
magnetic force on falling Bar F = B*i*L*sin(90) = B*(B*L*v/R)*L = B^2*L^2*v/R
direction of the force is vertically upwards
Explanation:
A battery-operated car moves forward as a result of which device?
A) Electromagnet
B) Generator
<u>C) Motor </u>
D) Transformer
Answer:
A
Explanation:
Gravity
