3 years ago

PHYSICAL SCIENCE: What are some methods used to control the types and sources of pollution?

1 answer:

3 0

Gaseous emissions are industrial products such as sulfur dioxide, carbon monoxide, and oxides of nitrogen also released during various manufacturing operations. Particulate control. Methods for particulate control tend to operate on a common principle.

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A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a batte

Natali5045456 [20]

Answer:

18.4 s

Explanation:

The time constant of an RC circuit is given by

$\tau = RC$

where

R is the resistance

C is the capacitance

For the first circuit we have

$\tau = 4.6 s$

$R=1.4\cdot 10^4 \Omega$

So we can find the capacitance

$C=\frac{\tau}{R}=\frac{4.6 s}{1.4\cdot 10^4 \Omega}=3.29\cdot 10^{-4} F$

Now in the second circuit, the new resistance is

$R=5.6\cdot 10^4 \Omega$

So the new time constant will be

$\tau = RC=(5.6\cdot 10^4 \Omega )(3.29\cdot 10^{-4} F)=18.4 s$

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3 years ago

Un coche inicia un viaje de 450 km a las ocho de la mañana con una velocidad media de 90 km/h. ¿A qué hora llegará a su destino?

Artyom0805 [142]

Answer:

Llegara a su destino a la 1:00 pm

Explanation:

Si el coche va a 90 km/h buscamos un numero q al multiplicarlo por 90 nos de 450. Entonces 90×5 = 450, si hacemos la cuenta desde las ocho de la mañana mas las 5 horas del viaje terminaria llegando a su destino a la 1:00 pm.

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