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3 years ago

Explain why the temperature varies with distance from the Sun in this way?

Physics

1 answer:

GenaCL600 [577]3 years ago

6 0

Answer:

The average surface temperature decreases the further you get from the Sun because the more distant planets receive less energy/heat/sunlight per square meter of their surface. This is because the energy from the Sun spreads out (becomes less concentrated) as you travel further from the source/Sun.

Explanation:

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A capacitor charging circuit consists of a battery, an uncharged 20 μF capacitor, and a 6.0 kΩ resistor. At t = 0 s the switch i

aliya0001 [1]

Answer:

Battery voltage will be equal to 9.65 volt

Explanation:

We have given capacitance $C=20\mu F=20\times 10^{-6}F$

Resistance $R=6kohm=6000ohm$

Time constant of RC circuit is

$\tau =RC=20\times 10^{-6}\times 6000=0.12sec$

Time is given t = 0.15 sec

Current i = 0.46 mA

Current in RC circuit is given by

$i=\frac{V}{R}e^{\frac{-t}{\tau }}$

$0.00046=\frac{V}{6000}e^{\frac{-0.15}{0.12 }}$

$0.00046=\frac{V}{6000}\times 0.286$

V = 9.65 volt

So battery emf will be equal to 9.65 volt

5 0

3 years ago

A 70.0-kilogram man is walking at a speed if 2.0 m/s. What is the kinetic energy?

Paraphin [41]

Answer:

140 J

Explanation:

From the the question, the mass of the man =70.0 kg and the speed at which the man is walking =2.0 m/s.

$K.E = \frac{1}{2}m {v}^{2}$

where K.E = the kinetic energy, m=mass and v= speed.

By substitution,

$K.E = \frac{1}{2} \times 70 \times {2}^{2}$

$\implies \: K.E = \frac{280}{2}$

$\implies K.E =140$

Hence the kinetic energy of the man is 140J

3 0

3 years ago

A car is traveling on a straight, level road under wintry conditions. Seeing a patch of ice ahead of her, the driver of the car

dangina [55]

Her magnitude of deceleration on the ice would be 15.126m/s

5 0

3 years ago

Which of the following illustrates two resistors in a parallel circuit

IRINA_888 [86]

In option A there are two resistors in which two terminals of resistors are connected with the terminals of battery so here they are connected in parallel.

In option B all resistors and battery is connected in a single loop so it is a series combination of all.

In option C all three resistors are connected by their terminals to a single battery so here all three resistor are in parallel with the battery.

In option D only one resistor is connected in series with a battery as one single loop is there.

So in the above all cases two resistors are in parallel with battery in option A

8 0

3 years ago

Read 2 more answers

1. Why is the acceleration in the example negative?

Reika [66]

Answer:

Because the velocity v (As a Vector ) is going opposite direction ( -X axis ) .

6 0

3 years ago

Explain why the temperature varies with distance from the Sun in this way?​

Explain why the temperature varies with distance from the Sun in this way?