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Alekssandra [29.7K]
3 years ago
12

Waves that make up the visible part of the electromagnetic spectrum have

Physics
1 answer:
tamaranim1 [39]3 years ago
8 0
Lower energy than x rays
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A motorist driving at 25 meters/second decelerates to
Ilia_Sergeevich [38]
Work done = 0.5*m*[(v2)^2 - (v1)^2]
where m is mass,
v2 and v1 are the velocities.

Given that m = 1.50 x 10^3 kg, v2 = -15 m/s (decelerates), v1 = 25 kg,

Work done = 0.5 * 1.50 x 10^3 * ((-15)^2 - 25^2) = 3 x 10^5 joules

Just ignore the negative value for the final result because work is a scalar quantity.
8 0
3 years ago
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Heat transfer between two substances that are in contact is called
katrin2010 [14]
The answer is conduction
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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

N = 80 (9,81)

N = 784,8N

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

3 0
2 years ago
Greatest to least order
3241004551 [841]

Answer:

Explanation:

FBEDAC

8 0
2 years ago
A lake is approximately 12 km in length and 2.5 km in width. The inflow for the month of March is 3.26 m3/s and the outflow is 2
Pani-rosa [81]

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dababy

Explanation:

dababy is the best and that's the answer

5 0
2 years ago
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