3 years ago

Please answer the following question

Physics

1 answer:

aleksklad [387]3 years ago

4 0

Answer:

1. Light Bulb

2. A switch

3. A battery

4. Ammeter

5. Resistor

6. Voltmeter

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Answer:

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Explanation:

M = Mass of the Earth

m = Mass of satellite

r = Radius of satellite

G = Gravitational constant

$F=G\frac{Mm}{r^2}$

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$G\frac{Mm}{r^2}=G\frac{M6m}{r_b^2}\\\Rightarrow \frac{1}{r^2}=\frac{6}{r_b^2}\\\Rightarrow \frac{r_b^2}{r^2}=6\\\Rightarrow \frac{r_b}{r}=\sqrt{6}\\\Rightarrow r_b=2.44948r$

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3 years ago

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A horizontal rectangular channel has a discharge per unit channel width of 8.0 m2 /s. In a hydraulic jump occurring in this chan

Mandarinka [93]

Answer:

Energy loss ΔE = 8.08 (Approx)

Explanation:

Given:

Channel width = 8 m/s²

Before jump a1 = 0.50 m

After jump a2 = 4.75 m

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Energy loss ΔE

Computation:

Energy loss ΔE = (a2 - a1)³ / 4a1a2

Energy loss ΔE = (4.75 - 0.50)³ / 4(4.75)(0.50)

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