2 years ago

Who do you think the target market of these advertisements is? Explain.

Physics

1 answer:

ANEK [815]2 years ago

6 0

Answer:

uhhhhhhh wait what

Explanation:

What advertisement

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Two balloons are charged with an identical quantity and type of charge: -4 nc They are held apart at a separation distance of 70

blagie [28]

Answer:

29.4 uN

Explanation:

The electric force between two charges can be calculated using Coulomb's Law. According to this law the force between two point charges is given as:

$F=k\frac{q_{1} q_{2} }{r^{2}}$

where k is a proportionality constant known as the Coulomb's law constant. Its value is $9 \times 10^{9}$ Nm²/C²

r = distance between charges = 70 cm = 0.7 m

q1 = q2 = 4nC = $4 \times 10^{-9}$ C

The negative sign indicates that the charges are negative. In the formula we will only use the magnitude of the charges.

Using these values in the formula, we get:

$F=9 \times 10^{9} \times \frac{4 \times 10^{-9} \times 4 \times 10^{-9}}{0.7^{2}}\\\\ F=2.94\times10^{-7} N\\\\ F=29.4 \times 10^{-6} N\\\\ F=29.4 \mu N$

Therefore, the magnitude of repulsive force between the given charges will be 29.4 uN

8 0

3 years ago

Distances (d)=144m<br> Time (t)=12s<br><br><br> What is the speed?

Sunny_sXe [5.5K]

Speed=distanse/time
144/12=12
ans is 12m/s

5 0

3 years ago

a line passes through (8,-4) and has a slope 2/3. what is an equation in point slope form of the line? An equation of the line i

evablogger [386]

from the question

x₁ = x-coordinate = 8

y₁ = y-coordinate = - 4

m = slope of line = 2/3

slope form of the line is given as

(y - y₁ ) = m (x - x₁)

inserting the values

(y - (- 4) ) = (2/3) (x - 8)

(3) (y + 4) = (2) (x - 8)

multiplying each term inside the bracket by 3 and 2 respective on left and right side

3y + 12 = 2 x - 16

2 x - 3 y - 16 - 12 = 0

2 x - 3 y - 28 = 0

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2 years ago

a firework rock is burning at the rate of 14g/s all the products of combustion are ejected in one direction at the speed of 210m

Naddika [18.5K]

SO MY NAME IS ROHITH AND I LIKE MM

Explanation:

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3 years ago

In an inelastic collision, which of the following statements is always true?

xz_007 [3.2K]

Well C is definitely one of the correct answers.

8 0

3 years ago