If a spear is jabbeb exactly at that place where the fish appears in water, the fish is not killed

Physics

1 answer:

Korvikt [17]2 years ago

7 0

You have learned your lesson well, Suhay. Your statement is correct.

The light rays from the fish BEND when they flow out of the water into the air. But our primitive brain still believes that the light rays flow STRAIGHT from the fish. The result is that the fish does not APPEAR to be at that place where it really is.

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A fire truck has a searchlight with a resistance of 60 (ohm) which is placed across a 24-V battery. What is the current in this

Mariulka [41]

Answer: 0.4 Amps

Explanation:

Voltage of battery = 24 Volts

Current I = ?

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Then, apply the formula for ohms law

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i.e V = I x R

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I = 24V / 60Ω

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g Incandescent bulbs generate visible light by heating up a thin metal filament to a very high temperature so that the thermal r

Naddika [18.5K]

Answer:

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Explanation:

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So, T = ⁴√(P/σεA)

Since P = 60 W, we substitute the vales of the variables into T. So,

T = ⁴√(P/σεA)

= ⁴√(60 W/(5.6704 × 10⁻⁸ W/m²K⁴ × 0.8 × 30 × 10⁻⁶ m²)

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= ⁴√(60 W/(13608.96 × 10⁻¹⁶ W/K⁴)

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= 0.2577 × 10⁴ K

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