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3 years ago

What causes the British Isles to have mild temperatures?

Physics

1 answer:

anastassius [24]3 years ago

3 0

A.warm waters from the gulf stream

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(8%) Problem 3: Sound in water travels at a velocity governed by the relation v = √(B/rho) where B is the bulk modulus and rho i

Fittoniya [83]

Answer:

the time required for the sound to travel between the whales 0.66 S.

Explanation:

As given in the problem, the velocity of sound wave ( $v$ ) is governed by the equation

$v = \sqrt{\dfrac{B}{\rho}}$

Given, $B = 2.38 \times 10^{9} Pa$ and $\rho = 1046 Kg m^{-3}$

So for salt water, the velocity of sound wave ( $v_{s}$ ) can be written as

$v_{s} = \sqrt{\dfrac{2.38 \times 10^{9}}{1046}} ms^{-1} = 1.508 \times 10^{3} ms^{-1}$

As the whales are d = 1 Km or 1000 m apart from each other, so the time ( $t$ ) required for the sound wave to travel this distance is given by

$t = \dfrac{d}{v_{s}} = \dfrac{1000 m}{1.508 \times 10^{3}} = 0.66 s$

5 0

3 years ago

Given the position vector of the particle

Natali [406]

With position vector

$\vec r(t)=(t+1)\,\vec\imath+(t^2-1)\,\vec\jmath+2t\,vec k$

the particle then has velocity

$\vec v(t)=\dfrac{\mathrm d\vec r(t)}{\mathrm dt}=\vec\imath+2t\,\vec\jmath+2\,vec k$

and acceleration

$\vec a(t)=\dfrac{\mathrm d\vec v(t)}{\mathrm dt}=\dfrac{\mathrm d^2\vec r(t)}{\mathrm dt^2}=2\,\vec\jmath$

Then $t=1$ , then particle's velocity and acceleration are, respectively,

$\vec v=\vec\imath+2\vec\jmath+2\,\vec k$

and

$\vec a=2\,\vec\jmath$

6 0

3 years ago

Both deltas and mountains are

dusya [7]

the best option would be d.) examples of constructive erosion.

3 0

3 years ago

Someone please answer please don’t take my points.

Anni [7]

Answer:

bro today my teacher will teach this answer only when I will be getting the answer I will copy and paste

Explanation:

wait for sometimes

5 0

3 years ago

An incompressible fluid flows steadily through two pipes of diameter 0.15 m and 0.2 m which combine to discharge in a pipe of 0.

QveST [7]

Answer:

Average velocity = 1.835 m/s

Explanation:

Detailed explanation and calculation is shown in the image below

3 0

3 years ago