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2 years ago

PLEASE HELP ASAP!! 25 POINTS!! how is Earth's surface likely to change along the edges of a bend in a river Channel?

Physics

2 answers:

Margarita [4]2 years ago

8 0

Bbbbbbbbbbbbbbbbbbbbbb

NikAS [45]2 years ago

7 0

B because fast moving water does more erosion, the fast outside bend is where erosion occurs on a river.

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You can make a solute dissolve more quickly in a solvent by

Gekata [30.6K]

Answer:Stirring.

Explanation:Stirring a solute into a solvent speeds up the rate of dissolving because it helps distribute the solute particles throughout the solvent. For example, when you add sugar to iced tea and then stir the tea, the sugar will dissolve faster.

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2 years ago

A bullet with a mass of 4.5 g is moving with a speed of 300 m/s (with respect to the ground) when it collides with a rod with a

Law Incorporation [45]

Answer:

ω = 5.41 rad/s

Explanation:

Since the rod is rotating around its axis, angular momentum will play part in this question.

The conservation of angular momentum implies that

$L_1 = L_2$

So, the initial angular momentum is

$L_1 = m_b v_b \frac{L}{4} = (4.5\times 10^{-3}~{\rm kg})(300~{\rm m/s})(\frac{0.25}{4}~{\rm m}) = 0.0844~{\rm kg.m^2/s}$

The final angular momentum includes the rod and the bullet together. So,

$L_2 = I\omega\\I = I_{rod} + I_{bullet} = \frac{1}{12}m_r L^2 + m_b(\frac{L}{4})^2 = \frac{1}{12}3(0.25)^2 + (4.5\times 10^{-3})(\frac{0.25}{4})^2 = 0.0156~{\rm kg.m^2}\\L_2 = L_1 = I\omega\\0.0844 = 0.0156\omega\\\omega = 5.41~{\rm rad/s}$

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2 years ago

What is the formula for sodium sulfide?

Dimas [21]

Hello there!

The formula for sodium sulfide is Na2S.

Hope this helps!

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3 years ago

A dragster and driver together have mass 931.9 kg . The dragster, starting from rest, attains a speed of 25.7 m/s in 0.57 s. Fin

Mama L [17]

Answer:

45.09 m/s^2

Explanation:

from the question we were given the following parameters

mass = 931.9 kg

initial velocity (V1) = 0 m/s ( since it started from rest )

final velocity (V2) = 25.7 m/s

time (t) = 0.57 s

The average acceleration is given by:

a = ( V2 - V1 ) / t

therefore

a = (25.7 - 0) / 0.57 = 45.09 m/s^2

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2 years ago

The temperature decreases 5°C in one hour and then decreases another 3°C in the next hour. Does this fit the definition of weath

Rus_ich [418]

Answer:

what is your age po? what

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2 years ago