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Anestetic [448]
3 years ago
7

Colossal Cave was formed years ago by underground running water. Today, it is the home to many animals, like bats. These interac

tions are an example of _____. a. biosphere, atmosphere, and lithosphere b. interaction hydrosphere, lithosphere, and biosphere c. interaction hydrosphere, lithosphere, and atmosphere d. interaction atmosphere and biosphere interaction
Physics
1 answer:
jeyben [28]3 years ago
6 0

Answer:

d. interaction atmosphere and biosphere interaction

Explanation:

hydrosphere, lithosphere, and biosphere interaction.

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With that push, they have accelerated their masses, which means they have _____ of their bodies.
nexus9112 [7]

As per Definition of acceleration we know that rate of change in velocity of object is known as acceleration

a = \frac{v_f - v_i}{\Delta t}

so when we apply push on an object that push or applied force will change the velocity of object always

so correct answer must be

a.) changed the velocity

7 0
3 years ago
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A truck is traveling east at 80 km/h. At an intersection 32 km ahead, a car is traveling north at 50 km/h. How long after this m
nirvana33 [79]

The time elapsed when the vehicles are closest to each other is 20 min.

The given parameters:

  • Speed of the truck, u = 80 km/h
  • Distance, d = 32 km
  • Speed of the car, v = 50 km/h

<h3>Principles of relative speed</h3>

The time elapsed when the cars are close to each other is calculated by applying the principles of relative speed.

(V_r) t = d\\\\V_r^2 = 50^2 + 80^2\\\\V_r =\sqrt{50^2 + 80^2} \\\\V_r = 94.34 \ km/h

94.34 t = 32\\\\t = \frac{32}{94.34} \\\\t = 0.34 \ hr\\\\t \approx 20 \min

Thus, the time elapsed when the vehicles are closest to each other is 20 min.

Learn more about relative velocity here: brainly.com/question/24430414

3 0
2 years ago
The diagram shows waves of sound travelling through the air. By which factor is the sound intensity decreased at 3 meters?
SIZIF [17.4K]
The diagram is missing; however, we know that the intensity of a sound wave is inversely proportional to the square of the distance from the source:
I(r)= \frac{1}{r^2}
where I is the intensity and r is the distance from the source.

We can assume for instance that the initial distance from the source is r=1 m, so that we put 
I= \frac{1}{r^2}= \frac{1}{(1)^2}=1
The intensity at r=3 m will be
I= \frac{1}{r^2}= \frac{1}{(3)^2}= \frac{1}{9}
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8 0
3 years ago
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Describe the astronomical achievement of Mesopotamia
Annette [7]
Beginning around 5,500 years ago, the Sumerians built cities along the rivers in Lower Mesopotamia, specialized, cooperated, and made many advances in technology. The wheel, plow, and writing (a system which we call cuneiform) are examples of their achievements.
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Why are most objects not magnetic?
Vedmedyk [2.9K]
Because there’s like no metal stuff idk
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3 years ago
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