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3 years ago

What is a bed load that a stream carries made up of ?

Physics

1 answer:

Sophie [7]3 years ago

8 0

I don't really know. someone answer my question.

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Water at the top of Horseshoe Falls (part of Niagara Falls)

ale4655 [162]

Answer:

$\theta= (-74.42)^{\circ} C$

Explanation:

Horizontal speed of water, $v_{xf}=9\ m/s$

Height, h = -53 (below pool)

We can find firstly the final vertical speed of the water using third equation of kinematics. So

$v^2_{yf}=u^2_{yi}+2(-g)h\\\\v^2_{yf}=2\times -9.8\times -53\\\\v_{yf}=32.23\ m/s$

Let $\theta$ is the angle where the falling water moving as it enters the pool. So,

$\tan\theta=\dfrac{v_{yf}}{v_{xf}}\\\\=\dfrac{-32.3}{9}\\\\=-74.42^{\circ} C$

Hence, the angle is (-74.42)°C.

8 0

3 years ago

In the experiment, a meter is hooked up to a speaker to monitor the amplitude of the received sound. Suppose the background sign

FrozenT [24]

Answer:

The answer is " $15.38\%$ "

Explanation:

Background $= 13 \ mv\\\\$

corrected signal $= 91 \ mv-13\ mv= 78\ mv\\\\$

with attenuator $=25\ mv-13\ mv= 12\ mv\\\\$

$\to \frac{p_t}{p_i}=\frac{12}{78}\times 100= 15.38\%$

4 0

3 years ago

What is the formula for amplitude?

Vesna [10]

Explanation:

In periodic motion, amplitude is half the distance between the minimum and the maximum.

A = (max - min) / 2

8 0

4 years ago

What is the definition of displacement

Savatey [412]

<span>the action of moving something from its place or position.</span>

6 0

4 years ago

Read 2 more answers

24 A uniform electric field of magnitude 1.1×104 N/C is perpendicular to a square sheet with sides 2.0 m long. What is the elect

Tatiana [17]

Answer:

$44,000 Nm^2/C$

Explanation:

The electric flux through a certain surface is given by (for a uniform field):

$\Phi = EA cos \theta$

where:

E is the magnitude of the electric field

A is the area of the surface

$\theta$ is the angle between the direction of the field and of the normal to the surface

In this problem, we have:

$E=1.1\cdot 10^4 N/C$ is the electric field

L = 2.0 m is the side of the sheet, so the area is

$A=L^2=(2.0)^2=4.0 m^2$

$\theta=0^{\circ}$ , since the electric field is perpendicular to the surface

Therefore, the electric flux is

$\Phi =(1.1\cdot 10^4)(4.0)(cos 0^{\circ})=44,000 Nm^2/C$

4 0

3 years ago