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blondinia [14]
4 years ago
14

What happens with the plates at this Juan de fuca

Physics
1 answer:
djverab [1.8K]4 years ago
8 0

Answer:

Subduction of the Juan de Fuca plate causes melting and magma generation in the mantle which rises to the surface to create the Cascade volcanoes.

Explanation:

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A cube of wood 15.0 cm on each side is tied to the bottom of a tank filled with water to a depth of 50 cm. The tension in the st
Elina [12.6K]

Answer:

(a). The density of the wood is  1479.48\times10^{2}\ Kg/m^3

(b). The absolute pressure at the bottom of the tank is 1.06200\times10^{5}\ Pa.

Explanation:

Given that,

Side of cube = 15.0 cm

Depth = 50 cm

Tension = 6.615 N

We need to calculate the volume of the wood

Using formula of volume

V = a^3

V=(15.0\times10^{-2})^3

V=0.003375\ m^3

We need to calculate the density of the wood

Using buoyant force

\rho_{w}gh=mg+T

\rho_{w}gh=\rho_{c}Vg+T

Put the value into the formula

\rho_{c}=\dfrac{\rho_{w}gh-T}{Vg}

Put the value into the formula

\rho_{c}=\dfrac{1000\times9.8\times50\times10^{-2}-6.615}{0.003375\times9.8}

\rho_{c}=1479.48\times10^{2}\ Kg/m^3

(b). We need to calculate the absolute pressure at the bottom of the tank

Using formula of absolute pressure

P=P_{atm}+\rho gh

Put the value into the formula

P=1.013\times10^{5}+1000\times9.8\times0.5

P=1.06200\times10^{5}\ Pa

Hence, (a). The density of the wood is  1479.48\times10^{2}\ Kg/m^3

(b). The absolute pressure at the bottom of the tank is 1.06200\times10^{5}\ Pa.

7 0
3 years ago
The velocity time graph of a body is given below. Find the distance travelled by the body from A to B. *
Dovator [93]

Answer:

100m

Explanation:

10 x 10 = 100m

area of velocity time graphs gives displacement.

im not sure if the distance is the same.

6 0
3 years ago
A box is initially at rest on a frictionless inclined plane
Finger [1]
Yesunlesit sat an inclone 
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4 years ago
What is the melting point of sand
telo118 [61]
The kind of heat necessary to transform sand into a liquid state (eventually becoming glass) is much hotter than any sunny day. To make sand melt, you need to heat it to roughly 1700°C (3090°F), which is approximately the same temperature a space shuttle reaches as it re-enters earth's atmosphere.
8 0
2 years ago
La velocidad de un tren se reduce uniformemente de 12m/s a 5m/s. Sabiendo que durante ese tiempo recorre una distancia de 100 m.
MA_775_DIABLO [31]

Responder:

Explicación:

Dados los siguientes datos

Valor inicial u = 12 m / s

velocidad final v = 5 m / s

Distancia S = 100 m

Necesario

aceleración del tren.

Usando la ecuación de movimiento

v² = u² + 2as

2as = v²-u²

a = v²-u² / 2s

Sustituyendo los valores dados para obtener la aceleración que tenemos;

a = 5²-12² / 2 (100)

a = 25-144 / 200

a = -119/200

a = -0,595 m / s²

Por tanto, la aceleración del tren durante este período es de -0,595 m / s²

b) Si el tren viaja a una parada desde 5 m / s, su velocidad final será cero y su velocidad inicial u será 5 m / s

Para obtener la distancia durante este período, sustituiremos u = 5 m / s, v = 0 m / sy a = -1,19 m / s² en la ecuación de movimiento anterior;

v² = u² + 2as

0² = 5²-2 (0.595) s

0 = 25-1,19 s

1,19 s = 25

s = 25 / 1,19

Responder:

Explicación:

Dados los siguientes datos

Valor inicial u = 12 m / s

velocidad final v = 5 m / s

Distancia S = 100 m

Necesario

aceleración del tren.

Usando la ecuación de movimiento

v² = u² + 2as

2as = v²-u²

a = v²-u² / 2s

Sustituyendo los valores dados para obtener la aceleración que tenemos;

a = 5²-12² / 2 (100)

a = 25-144 / 200

a = -119/200

a = -0,595 m / s²

Por tanto, la aceleración del tren durante este período es de -0,595 m / s²

b) Si el tren viaja a una parada desde 5 m / s, su velocidad final será cero y su velocidad inicial u será 5 m / s

Para obtener la distancia durante este período, sustituiremos u = 5 m / s, v = 0 m / sy a = -1,19 m / s² en la ecuación de movimiento anterior;

v² = u² + 2as

0² = 5²-2 (0.595) s

0 = 25-1,19 s

1,19 s = 25

s = 25 / 1,19

s = 21,0 m

Por lo tanto, la distancia que recorre hasta detenerse asumiendo la misma aceleración es 21.0 m

6 0
3 years ago
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