Answer:
Earth is nearest the Sun in July and farthest away in July.
Explanation:
Answer:
Buoyancy force and surface tension are the reactions that take places between soap and pepper experiment.
Explanation:
Surface tension:
The surface tension of a liquid is the tendency of liquid surfaces to resist an external force due to the cohesive nature of its molecules.
The pepper and soap experiment helps you to understand buoyancy force and surface tension.
Reaction between the pepper and soap is as following.
- The pepper flakes float because of buoyancy force. It makes the pepper flakes to move away to the edge of the plate.
- This happens because the liquid dish soap changes the surface tension of water.
- And The pepper flakes are so light, it floats on the water surface due to surface tension.
- when we add soap, it breaks the surface tension of water, but the water resists it. So they pull away from the soap along with the pepper flakes.
- This pushes the pepper away from your soap covered finger.
This is the reaction that take places between soap and pepper experiment.
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Answer:
Explanation:
Given:
- Length of the beam,
- speed of the beam,
- magnitude of the vertical magnetic field,
According to the Faraday's law the emf induced in a rod passing transversely through a magnetic field is given as:
Answer:
moving a magnet into a coil of wire in a closed circuit.
Ed 2020
The direction of the motion is constantly changing during
motion over any closed path, not only circular.
