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Harman [31]
3 years ago
12

Se aplica una fuerza de 2.294N a una masa de 408 kg. ¿Cuál es la aceleración de la masa?

Physics
1 answer:
Zanzabum3 years ago
8 0

Answer:

a=5.62[m/s^2]

Explanation:

Acorde a la segunda ley de newton la cual dice que la sumatoria de fuerzas sobre un cuerpo el cual no esta en equilibrio estatico presentara una aceleracion. Esta fuerza sera igual al producto de la masa del cuerpo por su aceleracion.

F=m*a\\F=fuerza total aplicada [N]\\m=masa del cuerpo[kg]\\a=aceleracion del cuerpo[m/s^2]\\\\

De esta manera despejando el valor de aceleracion de la anterior ecuacion:

a=\frac{F}{m} \\a=2294/408\\a=5.62[m/s^2]

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A 1232 kg car moving north at 25.6 m/s collides with a 2028 kg car moving north at 17.5 m/s . They stick together. In what direc
Citrus2011 [14]

Answer:

I. Angle = 41.7° Northeast.

II. Vr = 7.08m/s

Explanation:

Let the two cars be denoted by A and B

<u>Given the following data;</u>

Mass of car A = 1232 Kg

Velocity of car A = 25.6 m/s

Mass of car B = 2028 Kg

Velocity of car B = 17.5m/s

First of all, we would solve for momentum;

Momentum = mass × velocity

Momentum, M1 = 1232 × 25.6

Momentum, M1 = 31539.2 Kgm/s

Momentum, M2 = 2028 × 17.5

Momentum, M2 = 35490 Kgm/s

Now, let's find the resultant momentum using the Pythagoras theorem;

R² = M1² + M2²

R² = 31539.2² + 35490²

R² = 994721136.6 + 1259540100

R² = 2254261237

Taking the square root of both sides, we have

Resultant momentum, R = 47479.06 Kgm/s

To find the direction;

Angle = tan¯¹(M1/M2)

Angle = tan¯¹(31539.2/35490)

Angle = tan¯¹(0.89)

<em>Angle = 41.7° Northeast.</em>

To find the speed;

R = (M1 + M2)Vr

47479.06 = (31539.2 + 35490)Vr

47479.06 = 67029.2Vr

Vr = 47479.06/67029.2

<em>Vr = 7.08m/s</em>

6 0
2 years ago
An airplane is cruising at an altitude of several kilometers. The pressure outside the craft is 0.258 atm within the passenger c
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Answer:

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Explanation:

Carefully applying the Bernoulli's equation the speed of the leak can be obtained. The attached images show step by step explanation of the question, while applying the Bernoulli's equation;

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3 years ago
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faust18 [17]

Answer:

I'd say 85km sorry if wrong

Explanation:

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nasty-shy [4]

Answer:

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Explanation:

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Why is speed greater at the end of a ramp than it is at the beginning of a ramp?
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