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mixas84 [53]
3 years ago
6

Which statement explains how convection currents affect the movement of plates?Explain the main conflict between a character and

society in “The Lottery.”
Physics
2 answers:
Lelechka [254]3 years ago
5 0

Answer:

The main conflict is between Mrs. Hutchinson and society. The community described in the story demands the sacrifice of an innocent person to make sure they can grow corn. When Mrs. Hutchinson is chosen, all of society turns against her, including her own family.

Explanation:

sashaice [31]3 years ago
3 0

Answer:

/

Explanation:

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A student standing on a stationary skateboard tosses a textbook with a mass of mb = 1.25 kg to a friend standing in front of him
juin [17]

Answer:

The velocity of the student has after throwing the book is 0.0345 m/s.

Explanation:

Given that,

Mass of book =1.25 kg

Combined mass = 112 kg

Velocity of book = 3.61 m/s

Angle = 31°

We need to calculate the magnitude of the velocity of the student has after throwing the book

Using conservation of momentum along horizontal  direction

m_{b}v_{b}\cos\theta= m_{c}v_{c}

v_{s}=\dfrac{m_{b}v_{b}\cos\theta}{m_{c}}

Put the value into the formula

v_{c}=\dfrac{1.25\times3.61\times\cos31}{112}

v_{c}=0.0345\ m/s

Hence, The velocity of the student has after throwing the book is 0.0345 m/s.

3 0
3 years ago
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 58 N to the input pi
AfilCa [17]

Answer:

The correct answer is "3899.92 N".

Explanation:

The given values are:

Force,

F_{app}=58 N

Ratio,

\frac{R_2}{R_1}=8.2

As we know,

Area, A=\pi r^2

or,

⇒  \frac{F_2}{F_1} =\frac{A_2}{A_1}

On substituting the value of "A", we get

⇒  \frac{F_2}{F_1} =\frac{\pi r_2^2}{\pi r_1^2}

⇒  \frac{F_2}{F_1} =\frac{r_2^2}{r_1^2}

On applying cross-multiplication, we get

⇒  F_2=F_1\times (\frac{r_2}{r_1} )^2

On substituting the given values, we get

⇒       =58\times (8.2)^2

⇒       =58\times 67.2

⇒       =3899.92 \ N

6 0
3 years ago
Which statements describe properties of stars?
Ede4ka [16]

Statements 1, 3, and 5 are true.

(A, C, and E)

7 0
3 years ago
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In a closed system, _____ energy is equal to potential energy plus kinetic energy.
Kobotan [32]
The answer is mechanical
4 0
4 years ago
Read 2 more answers
Evaporates can provide an ideal speed racing surface.<br><br> True<br> or <br> False
musickatia [10]

the answer is true because evaporates can provide an ideal speed racing surface


6 0
3 years ago
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