2 years ago

You’ll get 100 points for answering this quick question

Physics

2 answers:

Elena-2011 [213]2 years ago

4 0

Answer: D

Explanation:

Insolation means incoming solar radiation. It is the amount of incoming solar radiation that is received per unit area of the earth’s surface.

At any point except D, insolation is lesser because sun radiation is more spread out and as a result less solar radiation is received per unit area of the earth’s surface.

So, choice D is the correct answer.

frez [133]2 years ago

3 0

Answer:

Explanation:

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krek1111 [17]

Explanation:

the table and the wooden block

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2 years ago

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2. A person applies a force of 66 N to a fridge as they push it across the length of a standard tennis court. So far today, the

Lubov Fominskaja [6]

Answer:

$P=39.2205\, watt$

$E=374.948 \,cal$

Explanation:

Given that:

force applied, $F=66\,N$

displacement, $s=23.77\,m$ (length of a tennis court)

time taken for pushing, t = 40 s

Since, work is given by:

$W=F.s$

$W=66\times 23.77$

$W=1568.82\,J$

Now, power is given as:

$P=\frac{W}{t}$

$P=\frac{1568.82}{40}$

$P=39.2205 \,watt$

Calories consumed is:

$E= 1568.82\times 0.239$

$E=374.948\, cal$

3 0

2 years ago

A potential difference of 107 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative r

sergij07 [2.7K]

Answer:

The workdone is $W = 1.712 *10^{-20 } \ J$

Explanation:

From the question we are told that

The potential difference is $V = 107 mV = 107 *10^{-3} \ V$

Generally the charge on $Na^{+}$ is $Q_{Na^{+}} = 1.60 *10^{-19 } \ C$

Generally the workdone is mathematically represented as

$W = Q_{Na^{+}}V$

=> $W = 1.60 *10^{-19 } * 107 *10^{-3}$

=> $W = 1.712 *10^{-20 } \ J$

8 0

2 years ago

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solniwko [45]

Answer:

Explanation:

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2 years ago

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Ice floats on water but iron nail sinks in it why give reason?<br>

levacccp [35]

Explanation:

If you like my answer than please mark me brainliest thanks

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2 years ago