3 years ago

Volcanic eruption affects water drainage but what may that result in

1 answer:

6 0

Explosive eruptions can severely disturb landscapes downwind or downstream of volcanoes by damaging vegetation and depositing large volumes of erodible fragmental material. As a result, fluxes of water and sediment in affected drainage basins can increase dramatically.

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2. A body is thrown vertically upward with a speed of 100 m/s.The time taken to be

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Answer:

b. 20 sec

Explanation:

y = y₀ + v₀ t + ½ g t²

0 = 0 + (100) t + ½ (-10) t²

0 = 100t − 5t²

0 = t (100 − 5t)

t = 0, t = 20

The body lands after 20 seconds.

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3 years ago

During the experiment it is determined that, as the cart rolls between two points on the track, the work done on the cart by the

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Answer:

Explanation:

If the work done on the cart is NET work

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½mv₀² + W = ½mv₁²

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v₁ = 1.626991...

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3 years ago

Thiết bị nào sau đây không phải là nguồn điện

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Thiết bị không phải nguồn điện:

Đáp án D

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A 2 kg ball is dropped above the surface of Planet X. If the gravitational field strength at the surface of Planet X is 5 N/kg,

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Given data:

* The mass of the ball is 2 kg.

* The gravitational field strength at the surface of planet X is 5 N/kg.

Solution:

The weight of the ball on the planet X is,

$W=ma$

where m is the mass of ball, a is the gravitational field strength,

Substituting the known values,

$\begin{gathered} W=2\times5 \\ W=10\text{ N} \end{gathered}$

Thus, the weight of the ball on the surface of planet X is 10 N.

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3 years ago

Volcanic eruption affects water drainage but what may that result in​

Volcanic eruption affects water drainage but what may that result in