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Sphinxa [80]
3 years ago
7

Which of the following is most likely to happen when a plate carrying oceanic crust collides with a plate carrying continental c

rust?
A. The denser oceanic plate gradually sinks into the mantle and melts.
B. The less dense continental plate gradually sinks into the mantle and melts.
C. Both the oceanic and the continental plates sink into the mantle and melt.
D. The plates collide and mantle convection stops.

I NEED THE ANSWER ASAP PLEASE!!!
Physics
1 answer:
gavmur [86]3 years ago
8 0
ASAP here you go It's A

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An airplane is flying in a horizontal circle at a speed of 480 km/h (). If its wings are tilted at angle =40° to the horizontal
german

Answer:

R = 2162 m

Explanation:

When wings of the airplane makes an angle of 40 degree with the horizontal so here we can say that force due to air is having two components

F_y = mg

F_x = \frac{mv^2}{R}

now we know that

F_y = F cos40

F_x = F sin40

also we know that

v = 480 km/h

v = 133.3 m/s

now plug in all data in above equations

tan 40 = \frac{v^2}{Rg}

R = \frac{v^2}{g tan40}

R = \frac{133.3^2}{9.8 tan40}

R = 2162 m

6 0
3 years ago
A wave with a frequency of 60 Hz is traveling along a string whose linear mass density is 230 g/m and whose tension is 65 N. If
matrenka [14]

To develop this problem we will use the concepts related to Speed in a string that is governed by Tension (T) and linear density (µ)

V = \sqrt{\frac{T}{\mu}}

Our values are given as:

f = 60Hz\\\mu = 230 g/m = 0.230kg/m\\T = 65N\\P = 75w

Replacing we have that the velocity is

V = \sqrt{\frac{T}{\mu}}

V = \sqrt{\frac{65}{0.230}}

V = 16.81m/s

From the theory of wave propagation the average power wave is given as

P =\frac{1}{2} \mu \omega^2 A^2 V

Where,

A = Amplitude

\omega = 2\pi f \rightarrow Angular velocity

A^2 = \frac{2P}{\mu \omega^2 V}

A^2 = \frac{2P}{\mu (2\pi f)^2 V}

Replacing,

A^2 = \sqrt{\frac{2(75)}{(0.230)(2\pi 60)^2(16.81)}}

A = 0.0165m

Therefore the amplitude of the wave should be 0.0165m

8 0
3 years ago
Có hai bình chứa được nối với nhau bằng một ống nhỏ có thể tích không đáng kể. Một
earnstyle [38]

Answer:

a b c d e f g h I love you will you marry me

5 0
3 years ago
3 a A motorcyclist starts from rest and reaches
andrew-mc [135]

The acceleration of the body is 2 m/s^2 while the deceleration is - 1.2 m/s^2.

<h3>What is the acceleration?</h3>

Let us recall that the acceleration is the change in the speed of a body with time. We have been told that the body accelerates for 3s and then decelerates to 2s. This implies that the total time that the object spent in motion is 5 s.

Thus;

v = u + at

v = final velocity

u = initial velocity

a = acceleration

t = time taken

v - u/t = a

a = 6 - 0/3

= 2 m/s^2

Again;

v - u/t = a

a = 0 - 6/5

a = - 1.2m/s^2

Learn more about acceleration:brainly.com/question/12550364

#SPJ1

<h3 />
7 0
1 year ago
Am arrow of mass 1000kg is shot into a wooden block of mass 5000lg lying at rest in a smooth surface.If the arrow travels 15m/s
Ber [7]

Answer:

Vf=3

Explanation:

you must first write your data

data before impact

M1=1000 M2=5000

V1=0 m/s V2 =0m/s

data after impact

M1=1000 M2=5000

V1=15m/s V2=?

M1V1 +M2V2=M1V1 +M2V2f

(1000)(0)+(5000)(0)=(1000)(15)+(5000)Vf

0=15000+5000Vf

- 15000÷5000=5000Vf÷5000

Vf= -3

Vf =3

6 0
2 years ago
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