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Aloiza [94]
3 years ago
6

Will give correct answer brainliest

Physics
1 answer:
garri49 [273]3 years ago
5 0

Answer:

C

Explanation:

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If the primary source of atmospheric thermal energy on Earth is energy from the Sun, what conclusion can be made from the diagra
Tamiku [17]

Answer:B

Explanation:

Because the Earth's core isn't moving around earth therefore the center of Earth will forever be warm

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3 years ago
An average man is 80 k (800 N) and the area of the shoes he is wearing is 0.0092 m2. What is the pressure he is exerting on the
S_A_V [24]

Answer:

P = 86956.52 Pa

Explanation:

Data:

  • F = 800 N
  • A = 0.0092 m²
  • P = ?

Use the formula:

  • \boxed{\bold{P=\frac{F}{A}}}

Replace and solve:

  • \boxed{\bold{P=\frac{800\ N}{0.0092\ m^{2}}}}
  • \boxed{\bold{P=86956.52\ Pa}}}

The pressure it exerts on the ground is <u>86956.52 Pascal.</u>

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7 0
3 years ago
To what tension (in newtons) must you adjust the screw so that a transverse wave of wavelength 3.33 cm makes 621 vibrations per
PilotLPTM [1.2K]

Answer:

T=9.4 N

Explanation:

We are given that

Mass of wire,m=16.5 g=\frac{16.5}{1000}kg

1 kg=1000g

Length of wire,l=75 cm=75\times 10^{-2}m

1 m=100 cm

Wavelength of transverse wave=\lambda=3.33 cm=3.33\times 10^{-2}m

Frequency=621 Hz

Mass per unit length=m_l=\frac{m}{l}=\frac{16.5}{1000\times 75\times 10^{-2}}=0.022 kg/m

\nu=\frac{v}{\lambda}

v=\nu \lambda

Where\nu=frequency of wave

\lambda=Wavelength of wave

Speed of wave=v

Using the formula

v=3.33\times 10^{-2}\times 621=20.7m/s

v=\sqrt{\frac{T}{m_l}}

v^2=\frac{T}{m_l}

T=v^2m_l

Using the formula

T=(20.7)^2\times 0.022=9.4N

Hence, the tension,T=9.4 N

7 0
4 years ago
Given: Q1 = 3.0 × 10-5 C
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F=k\dfrac{Q_1Q_2}{r^2}= \\  \\ =9\cdot 10^9\cdot \dfrac{3\cdot 10^{-5}\cdot 4\cdot 10^{-5}}{9}=...

You just do the calculations.
4 0
3 years ago
Read 2 more answers
What is 150 mm expressed in diameters
DaniilM [7]
"Diameter" is not a unit of length or distance.
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