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Snezhnost [94]
3 years ago
8

Environmental Science A dependent variable is a. directly changed by the experimenter. b. manipulated by changes to the independ

ent variable. c. a variable that is kept constant. d. a variable that is used as a control.
Physics
1 answer:
LekaFEV [45]3 years ago
5 0

Answer: Option B

Explanation:

A experiment has many factors in it. It has a dependent variable, independent variable, control variable et cetera.

The independent variable as its name signifies is not dependent on any factors and is directly controlled by the experimenter.

The dependent variable is dependent on the change in the independent variable.

The dependent variable is actually the result of the experiment and is not manipulated.

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The sense of equilibrium responds to movements of the head. It is divided into two types--static and dynamic equilibrium. Descri
Sonja [21]

Answer:

nodding of head ,yes- static equilibrium

nodding of head, no- dynamic equilibrium.

Explanation:

static equilibrium monitors head position when body is not moving .

dynamic equilibrium monitors the angular or rotational movements of the head when body moves.

5 0
3 years ago
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Which energy transformations occur when a candle burns
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The heat from the wick melts the wax which gets absorbed in the wick and then gets burnt (which is really oxidation) to produce heat energy<span> as well as light </span>energy. The energy<span> transforms from chemical </span>energy<span> to heat and light </span>energy<span>. Because when the </span>candle burns<span> a chemical reaction </span>occurs<span>, and produces heat and light.

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3 years ago
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The key to most of the achievements of mankind.?
Lapatulllka [165]

Answer:

Greatest Achievements of Mankind

-Declaration of Human Rights.

-United Nations.

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-Michelangelo's Pieta.

-The Works of William Shakespeare.

-Technological achievements.

-The First Flight.

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3 years ago
What is potential energy?
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4 0
3 years ago
Un objeto que es empujado sobre una superficie plana, tiene una masa de 80 kg y dicha fuerza tiene un valor de 300 N. Calcule la
Gennadij [26K]

Responder:

A. Ff = 300 N N = 784,8 N

Explicación:

Dado

Masa del cuerpo = 80 kg

Fuerza de movimiento Fm = 300N

Dado que el cuerpo no está acelerando, la fuerza de fricción (Ff) es igual a la fuerza de movimiento que actúa sobre el cuerpo, ya que la fuerza de fricción es una fuerza de oposición, es decir, Fm = Ff

Dado que Fm = 300N, Ff = 300N

La reacción normal que actúa en el cuerpo es igual al peso.

N = W = mg

g es la aceleración debida a la gravedad

g = 9,8 m / s

N = mg

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N = 784,8N

Por tanto, la fuerza normal que actúa sobre el cuerpo es 784,8 N

3 0
2 years ago
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