3 years ago

If the acceleration of an object is zero, then that object cannot be moving.

Physics

1 answer:

larisa86 [58]3 years ago

4 0

Answer:

False

Explanation:

Because acceleration just means that the speeds getting faster he could already be going at a same rate of speed and it wouldn't be counted as acceleration because acceleration would be if he increased the speed

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Two electrons exert a force of repulsion of 1.2 N on each other. How far apart are they? The elementary charge is 1.602 × 10−19

sergejj [24]

The distance between the charges is 13.86 X 10⁴m

<u>Explanation:</u>

Given:

Force, F = 1.2N

Charge, q₁ = 1.602 X 10⁻¹⁹ C

k = 8.987 X 10⁹ Nm²/C²

Distance, d = ?

According to Coulomb's law:

$F = k\frac{q_1q_2}{r^2} \\\\$

Substituting the value in the formula we get:

$1.2 = 8.987X 10^9 X\frac{1.602 X 10^-^1^9 X 1.602 X 10^1^9}{r^2} \\\\1.2 = \frac{23.06 X 10^9}{r^2} \\\\r^2 = 19.22 X 10^9\\\\r = 13.86 X 10^4m$

Therefore, the distance between the charges is 13.86 X 10⁴m

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3 years ago

How Many Negative (-) Electrons are there

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Answer:

All electrons are negative(-) charged

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A tuba can play a lower note than a flute because

Afina-wow [57]

Answer:

B. There is more room for the air to spread out

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What is the average speed of the whole trip?

vlabodo [156]

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65 miles per hour.

Explanation:

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Calculate the speed of a person who walked 100 m in 25 seconds. Show all of your work. Step 1: Using a light color, highlight th

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Answer:

4 m/s

Explanation:

to find m/s, divide the meters term by the seconds term. 100m/25s = 4m/s

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