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solniwko [45]
3 years ago
11

a woman is swimming across a cold lake. her body temperature is 98 degrees fahrenheit , and the lake water is at 60 degrees fahr

enheit. Which has more thermal energy, the woman or the lake? Explain.
Physics
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

the woman has more thermal energy becuase of her body temp.

Explanation:

none

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an aircraft is flying at height of 3400m above the ground.if the angle subtended at a ground observation point by the aircraft p
Kamila [148]

Answer: 588.9 m/s

Explanation:

Given that :

θ = 30°

Height, h = 3400m

Time, t = 10 seconds

From trigonometry ;

Tanθ = opposite / hypotenus

Tan 30 = 3400 / x

x tan 30 = 3400

0.5773502x = 3400

x = 3400 / 0.5773502

x = 5888.9727

Recall ;

Speed = Distance / time

Speed = 5888.9727 / 10

Speed = 588.897 m/s

Speed = 588.9 m/s

7 0
3 years ago
What is the value of x in the triangle? a 45-45-90 triangle with leg length x and hypotenuse length 4
mrs_skeptik [129]

Answer:

x = 2\sqrt 2

Explanation:

Given

Hypotenuse = 4

Required

Find x

Since the triangle is a 45-45-90 triangle, the following relationship exists

x^2 + x^2 = 4^2 --- i.e. the other legs are equal

So, we have:

2x^2 = 16

Divide both sides by 2

x^2=8

Take square roots of both sides

x = \sqrt 8

Simplify

x = 2\sqrt 2

5 0
2 years ago
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Which of the following least represents an negative impact on Earth caused mostly by humans?
Vinvika [58]

Answer:

D

Explanation:

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3 0
3 years ago
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What is renewable and non-renewable energy?​
Greeley [361]

Renewable resources:

A renewable resource is one that can be used repeatedly and does not run out because it is naturally replaced.

Nonrenewable resource:

A nonrenewable resource is a natural substance that is not replenished with the speed at which it is consumed. It is a finite resource.

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3 years ago
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kherson [118]
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3 years ago
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