The density of an object is dependent upon the object’s mass and ---

Suppose you fill two rubber balloons with air, suspend both of them from the same point, and let them hang down on strings of eq

Ulleksa [173]

The charge on each the balloon is 100nC or 1.2 × 10^-7 C

Consider two balloons of diameter 0.200m each with a mass of 1.00g hanging apart with 0.0500m separation on the ends of string making angles of 10.0° with the vertical.

The charge on each balloon can be found from

$F_{e} = \frac{k_{e}q^{2} }{r^{2}} \\q = \sqrt{\frac{k_{e}q^{2} }{r^{2}}} \\\\q = \sqrt{\frac{(2\times10^{-3N}(0.25m)^{2}}{8.99\times10^{9}N\cdotm^{2}/C^{2}}\\$

$q = 1.2\times10^{-7}C$ or 100nC

An electric charge is the property of matter where it has more or fewer electrons than protons in its atoms. Electrons carry a negative charge and protons carry a positive charge. The matter is positively charged if it contains more protons than electrons and negatively charged if it contains more electrons than protons.

Learn more about the charge here:

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3 0

1 year ago

Solar winds have an influence all the way to about 160 AU from the Sun. About how many kilometers is that?

Mumz [18]

Answer: A. 24,000,000,000 km

Explanation: An Astronomical Unit commonly abbreviated as AU is the average distance between Earth and the Sun and is about 150 million kilometers.

Astronomical unit is mainly used to measure distances within our solar system.

1 AU is equal to $150\times 10^6$ km

Thus 160 AU is equal to $\frac{150\times 10^6}{1}\times 160=24000\times 10^6km=24000000000km$

4 0

2 years ago

Read 2 more answers

Is the plant based burger the new thing of the future and will it leave or stay popular for a long time

bixtya [17]

i think it will stay

6 0

2 years ago

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The circuit below represents four resistors connected to a 12-volt source. What is the total current in the circuit? 4.0Ω 6.0Ω 1

Tpy6a [65]

Answer:

For series connected resistors I = 0.5A

For parallel connected resistors I = 8.5A

Explanation:

Since the diagram is not available, our solution will be divided into two;

According to ohm's law which states that "the current passing through a,metallic conductor at constant temperature is directly proportional to the potential difference across its ends. Mathematically, E = IRt where;

E is the electromotive force

I is the total current in the circuit

Rt is total equivalent resistance.

Where E = 12volts

Rt can be gotten depending on the arrangements of the resistors which can either be in series or parallel.

If the resistors are in series, their equivalent resistance gives;

Rt = 4.0Ω+6Ω+8Ω+6Ω

Rt = 24Ω

The current I will be;

I = E/Rt = 12/24

I = 0.5A

If the connection is in series, the total current in the circuit will be 0.5A.

For resistance in parallel;

1/Rt = 1/4Ω+1/6Ω+1/8Ω+1/6Ω

1/Rt = 6+4+3+4/24

1/Rt = 17/24

Rt = 24/17Ω

I = E/Rt

I = 12/(24/17)

I = 12×17/24

I = 8.5A

If the connection is in parallel, the total current in the circuit will be 8.5A

8 0

2 years ago

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An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the wa

bezimeni [28]

Answer:

15.325 m/s

11.9702153415 m

0

9.81 m/s²

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

g = Acceleration due to gravity = 9.81 m/s² = a

$s=ut+\frac{1}{2}at^2\\\Rightarrow u=\dfrac{s-\frac{1}{2}at^2}{t}\\\Rightarrow u=\dfrac{-46-\frac{1}{2}\times -9.81\times 5^2}{5}\\\Rightarrow u=15.325\ m/s$

The initial velocity of the egg is 15.325 m/s

$v^2-u^2=2as\\\Rightarrow s=\dfrac{v^2-u^2}{2a}\\\Rightarrow s=\dfrac{0^2-15.325^2}{2\times -9.81}\\\Rightarrow s=11.9702153415\ m$

The maximum height is 11.9702153415 m

At the highest point velocity is zero.

Magnitude of acceleration on a freely falling body is always g = 9.81 m/s²

7 0

3 years ago