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Lapatulllka [165]

2 years ago

5

The higher heat capacity of water compared to rock or sediment means that for the same seasonal variation in insolation the land

temperature will vary ___________ the ocean.

1 answer:

Igoryamba2 years ago

5 0

"more than" is your answer

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How much heat is needed to raise the temperature of 9g of water by 17oC?

andre [41]

Well the heat that is needed to raise the temperature of 10g of water by 17oC is 7

6 0

2 years ago

Yurem is pulling a wagon across the playground with a force of 10 N. He asks Elianna to help. She agrees and pushes the back of

salantis [7]

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22 N applied force

Explanation: Since they are both pushing the wagon in the same direction the force adds up.

7 0

2 years ago

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Cast-iron cannonballs used in the War of 1812 were occasionally heated for some extended time, so that when fired at houses and

MaRussiya [10]

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502000W/m²

Heat flux = 800×50.2/20 =

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8 0

2 years ago

Calculate the pressure on the ground from an 80 kg woman leaning on the back of one of her shoes with a 1cm diameter heel, and c

rodikova [14]

Answer:

Pressure of woman will be $99.87\times 10^5N/m^2$

Pressure of the elephant will be $1716560.50N/m^2$

Explanation:

We have given that mass of the woman m = 80 kg

Acceleration due to gravity $g=9.8m/sec^2$

Diameter of shoes = 1 cm =0.01 m

So radius $r=\frac{d}{2}=\frac{0.01}{2}=0.005m$

So area $A=\pi r^2=3.14\times 0.005^2=7.85\times 10^{-5}m^2$

We know that force is given F = mg

So $F=80\times 9.8=784N$

Now we know that pressure is given by $P=\frac{F}{A}=\frac{784}{7.85\times 10^{-5}}=99.87\times 10^5N/m^2$

Now mass of elephant m = 5500 kg

So force of elephant = 5500×9.8 = 53900 N

Diameter = 20 cm

So radius r = 10 cm

So area will be $A=3.14\times 0.1^2=0.0314m^2$

So pressure will be $P=\frac{53900}{0.0314}=1716560.50N/m^2$

3 0

2 years ago

What is the change in potential energy of an energetic 65 kg hiker who makes it from the floor of death valley to the top of mt.

Umnica [9.8K]

Check the attached file for the answer.

7 0

2 years ago