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skelet666 [1.2K]
3 years ago
14

When heavy rain follows a dry season in the mountains, the land can change abruptly. For example, a _______ can rush downhill as

a huge mass of soil, water, and rock, leaving a bare scar in the hillside.
A.
mudslide
B.
volcano
C.
earthquake
D.
glacier
Physics
2 answers:
Degger [83]3 years ago
7 0

Answer:

<h2>A. mudslide.</h2>

Explanation:

This abrupt change can alter the surface, like mudslides, they are formed of water, rocks and water, like is described. This mudflow is capable to destroy vegetation, and leave behind fissures.

klemol [59]3 years ago
3 0
I did process of elimination, after a couple of seconds of battling with my mind I'm sure it's (A) mudslide.
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What are the types of nuclear radiation ? (Particles let off by nuclear<br> materials.) *
Neko [114]

Answer:

Because nuclear decay releases ionizing radiation (alpha, beta, and gamma radiation) we call such compounds radioactive.

Explanation:

6 0
3 years ago
Net Force (N)
DaniilM [7]

Explanation:

F = m a

F= 4.0×4.0

F= 16 N

......................................................................................................

F= ma

25= m × 4.998

m= 25/4.998

m= 5.002 kg

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F=ma

53= 3 × a

a= 53/3

a= 17.666 m/s

5 0
3 years ago
The atomic number of phosphorus is
Phantasy [73]

Answer:

The atomic number of phosphorus is 15.

Explanation:

It’s found after Si(Silicon) and before S(sulphur)

3 0
3 years ago
Two small insulating spheres with radius 3.50×10−2 m are separated by a large center-to-center distance of 0.555 m. One sphere i
xz_007 [3.2K]

Answer:

E = 7.83 \times 10^5 N/C

Explanation:

Since we know that two sphere is oppositely charged so net electric field at the mid point of two balls will be sum of the electric field due to each ball at the mid point

So we know that

E = \frac{kq_1}{r^2} + \frac{kq_2}{r^2}

here we know that

q_1 = 4.20 \mu C

q_2 = 2.50 \mu C

r = \frac{0.555}{2}

so we have

E = \frac{(9\times 10^9)(4.20 + 2.50) \times 10^{-6}}{0.2775^2}

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4 0
3 years ago
The siren on an ambulance is emitting a sound whose frequency is2550 Hz. The speed of sound is 343 m/s.(a) If the ambulance is s
Sati [7]

Answer:

0.13451 m

0.124196 m

0.119997901132 m

Explanation:

v_o = Velocity of the observer

v_s = Velocity of sound source

v = Velocity of sound in air = 343 m/s

Wavelength is given by

\lambda=\dfrac{v}{f}\\\Rightarrow \lambda=\dfrac{343}{2550}\\\Rightarrow \lambda=0.13451\ m

The wavelength is 0.13451 m

From Doppler effect we have the formula

f=f'\dfrac{v}{v-v_s}\\\Rightarrow f=2550\dfrac{343}{343-26.3}\\\Rightarrow f=2761.7619198\ Hz

\lambda=\dfrac{343}{2761.7619198}\\\Rightarrow \lambda=0.124196\ m

The wavelength is 0.124196 m

f=f'\dfrac{v+v_o}{v-v_s}\\\Rightarrow f=2550\dfrac{343+12}{343-26.3}\\\Rightarrow f=2858.38332807\ Hz

\lambda=\dfrac{343}{2858.38332807}\\\Rightarrow \lambda=0.119997901132\ m

The wavelength is 0.119997901132 m

8 0
3 years ago
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