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VLD [36.1K]
3 years ago
15

Two large boulders are 8.5 m apart.one boulder has a mass of 3600 kg and the other rock has a mss of 2850 kg find the gravitatio

nal force betweeen them
Physics
1 answer:
Inessa [10]3 years ago
8 0

9.47 \times 10^{-6}\; \text{N}.

<h3>Explanation</h3>

Constant of universal gravitation:

G = 6.67 \times 10^{-11} \;\text{m}^{3} \cdot \text{kg}^{-1} \cdot \text{s}^{-2}.

Apply Newton's law of universal gravitation:

F = \dfrac{G \cdot m_1 \cdot m_2}{r^{2}} =\dfrac{6.67 \times 10^{-11}\times 3600 \times 2850}{8.5^{2}} = 9.47 \times 10^{-6} \;\text{N}.

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A nonconducting sphere has radius R = 1.81 cm and uniformly distributed charge q = +2.08 fC. Take the electric potential at the
Sloan [31]

Answer:

a) V = -0.227 mV

b) V = -0.5169 mV

Explanation:

a)

Inside a sphere with a uniformly distributed charge density, electric field is radial and has a magnitude

E = (qr) / (4πε₀R³)

As we know that

V = -\int\limits^r_0 {E} \, dr

By solving above equation, we get

V = (-qr²) / (8πε₀R³)

When

R = 1.81 cm

r = 1.2 cm

q = +2.80 fC

ε₀ = 8.85 × 10⁻¹²

V = (-2.80 × 10⁻¹⁵ × (1.2 × 10⁻²)²) / (8 × 3.14 × 8.85 × 10⁻¹² × (1.81 × 10⁻²)³)

V = -2.27 × 10⁻⁴ V

V = -0.227 mV

b)

When

r = R

R = 1.81 cm

q = +2.80 fC

ε₀ = 8.85 × 10⁻¹²

V = (-qR²) / (8πε₀R³)

V = (-q) / (8πε₀R)

V = (-2.80 × 10⁻¹⁵) / (8 × 3.14 × 8.85 × 10⁻¹² × (1.81 × 10⁻²))

V = -5.169 × 10⁻⁴ V

V = -0.5169 mV

4 0
3 years ago
When temp is below 0 what process causes atoms to begin to clump
podryga [215]
Hi welcome to Brainly!
I believe the correct answer to your question is the Bose-Einstein condensation

Hope this helps!

6 0
3 years ago
How many stars are in our solar system?
Annette [7]

Answer:

there are over 100 billion stars in our galaxy.

5 0
3 years ago
Olivia places her pet frog on a line to observe the frog motion. The line is divided into sections that measure 1 centimeter eac
Goshia [24]
There is no displacement. The frog is back where it began.
4 0
4 years ago
Read 2 more answers
You slide a slab of dielectric between the plates of a parallel-plate capacitor. As you do this, the potential difference betwee
LUCKY_DIMON [66]

Answer:

In this scenario adding the dielectric material in between the plates will have no effect on the capacitance of the plates since the voltage remains unchanged

Explanation:

Normally Introducing a dielectric into a capacitor decreases the electric field, which decreases the voltage, which increases the capacitance.

A capacitor with a dielectric stores the same charge as one without a dielectric, but at a lower voltage.

Voltage and capacitance are inversely proportional when charge is constant.

Now in this case the voltage remains the same hence the charges remain the same also because voltage is inversely proportional to capacitance

3 0
4 years ago
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