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kiruha [24]
3 years ago
11

The elements from this section of the periodic table all belong to the same

Physics
1 answer:
Lady_Fox [76]3 years ago
3 0

Answer:

The answer is:

B) period

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A 450g mass on a spring is oscillating at 1.2Hz. The totalenergy of the oscillation is 0.51J. What is the amplitude.
Volgvan

Answer:

A=0.199

Explanation:

We are given that  

Mass of spring=m=450 g==\frac{450}{1000}=0.45 kg

Where 1 kg=1000 g

Frequency of oscillation=\nu=1.2Hz

Total energy of the oscillation=0.51 J

We have to find the amplitude of oscillations.

Energy of oscillator=E=\frac{1}{2}m\omega^2A^2

Where \omega=2\pi\nu=Angular frequency

A=Amplitude

\pi=\frac{22}{7}

Using the formula

0.51=\frac{1}{2}\times 0.45(2\times \frac{22}{7}\times 1.2)^2A^2

A^2=\frac{2\times 0.51}{0.45\times (2\times \frac{22}{7}\times 1.2)^2}=0.0398

A=\sqrt{0.0398}=0.199

Hence, the amplitude of oscillation=A=0.199

4 0
3 years ago
Drag each tile to the correct location.
scoray [572]

Answer:

Relative: meredith's birth, the planting of jasmine's tree, and the extinction of the stegosaurus

Absolute: harrison's birth, the building of jasmine house, and the extinction of the triceratops

Explanation: plato

7 0
2 years ago
A car accelerates at a rate of 3.0 m/s2. If its original speed is 8.0 m/s, how many seconds will it take the car to reach a fina
V125BC [204]

Answer:

5.7 s

Explanation:

Given:

a = 3.0 m/s²

v₀ = 8.0 m/s

v = 25.0 m/s

Find: t

v = at + v₀

25.0 m/s = (3.0 m/s²) t + 8.0 m/s

t ≈ 5.7 s

5 0
3 years ago
Ninety-nine percent of all the matter that can be observed in the universe exists as
Vilka [71]
The anwser is plasmas
8 0
3 years ago
Read 2 more answers
Do you need a science group? To help with assignments, notes, explanation, science content (chemistry, maths physics, biology),
valentinak56 [21]

I don't understand what u wanna ask pls make it clear!

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3 years ago
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