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gregori [183]
3 years ago
10

When a pair of balanced forces acts on an object, the net force that results is

Physics
2 answers:
ehidna [41]3 years ago
8 0

Answer:

Option (a)

Explanation:

There are two types of forces.

1. Balanced forces: When the number of forces acting on a body, such that the  net force on the body is zero, they are called balanced forces. In this situation, the acceleration on the body is zero.

Net force = zero

2. Unbalanced forces: When the number of forces acting on a body, such that the net force acting on the body is non zero, they are called unbalanced forces. In this situation, the acceleration on the body is non zero.

So, the pair of balanced forces acts on an object, this gives always net force acting on the object is zero.

slava [35]3 years ago
6 0
<span>a. equal to zero.
</span>because the forces are balance (equal magnitudes, opposite directions)
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MGS and later orbiters found spectral evidence for what minerals on the Martian surface? Check all that apply.
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The Mars Global Surveyors (MGS) and later orbiters suggest that the Martian crust contains a higher percentage of volatile elements such as Sulphur and chlorine than the Earth's crust does.

These scientists also conclude that the most abundant chemical elements  in the Martian crust are those found in Igneous rock.

These elements include the following;

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They also, suggest that hydrogen is found in ice (water) while carbon is found in carbon dioxide and carbonates.

From the given options the minerals found in Martian surface include;

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Learn more here: brainly.com/question/20470323

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When 560,000 is written in scientific notation, the power of 10 is
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A nonconducting sphere has radius R = 1.29 cm and uniformly distributed charge q = +3.83 fC. Take the electric potential at the
zalisa [80]

Answer:

a) -2.516 × 10⁻⁴ V

b) -1.33 × 10⁻³ V

Explanation:

The electric field inside the sphere can be expressed as:

E= \frac{kqr}{R^3}

The potential at a distance can be represented as:

V(r) - V(0) = -\int\limits^r_0 {\frac{kqr}{R^3} } \, dr^2

V(r) - V(0) = [\frac{qr^2}{8 \pi E_0R^3 }]₀

V(r) =   -[\frac{qr^2}{8 \pi E_0R^3 }]₀

Given that:

q = +3.83 fc = 3.83 × 10⁻¹⁵ C

r = 0.56 cm

 = 0.56 × 10⁻² m

R = 1.29 cm

  =  1.29 × 10⁻² m

E₀ = 8.85 × 10⁻¹² F/m

Substituting our values; we have:

V(r) = -\frac{(3.83*10^{-15}C)(0.560*10^{-2}m)^2}{8 \pi (8.85*10^{-12}F/m)(1.29*10^{-2}m)^3}

V(r) = -2.15  × 10⁻⁴ V

The difference between the radial distance  and center can be expressed as:

V(r) - V(0) = -\int\limits^R_0 {\frac{kqr}{R^3} } \, dr^2

V(r) - V(0) =  [\frac{qr^2}{8 \pi E_0R^3 }]^R

V(r) = -\frac{qR^2}{8 \pi E_0R^3 }

V(r) = -\frac{q}{8 \pi E_0R }

V(r) = -\frac{(3.83*10^{-15}C)}{8 \pi (8.85*10^{-12}F/m)(1.29*10^{-2}m)}

V(r) = -0.00133

V(r) = - 1.33 × 10⁻³ V

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The answer is A. the discount rate.
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