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2 years ago

Discuss the difference between waveform graphs and vibration graphs

Physics

1 answer:

Kitty [74]2 years ago

6 0

Difference exists mainly in the label for x axis.

Explanation:

Shapes of waveform and vibration graphs are same.
Vibration graphs shows the particle at a single location in the path of the wave when time passes.
Waveform graphs shows the particle at multiple locations at a single moment of time.

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Two identical 9.10-g metal spheres (small enough to be treated as particles) are hung from separate 300-mm strings attached to t

Musya8 [376]

Answer:

$n = 1.266\times 10^{12}$

Explanation:

Given data:

mass of sphere is 10 g

Angle between string and vertical axis is $\theta = 13 degree$

thickness of string 300 mm = 0.3 m

$sin\theta =\frac{2}{0.3 m}$

r =0.3 sin 13 = 0.067 m

$Fe = \frac{ kq_1 q-2}{d^2}$

$Fe = \frac{kq^2}{(2r)^2} = mg tan\theta$

$q^2 = mg tan\theta \frac{(2r)^2}{k}$

$= 0.0091 \times 9.8 tan13 \times \frac{(2\times 0.067)^2}{9\times 10^9}$

$q^2 = 4.10\times 10^{-14}$

$q = 2.026 \times 10^{-7} C$

q = ne

$n = \frac{1.6\times 10^{-19}}{2.02\times 10^{-7}}$

$n = 1.266\times 10^{12}$

3 0

2 years ago

43 kg bear slides, from rest, 15 m down a lodgepole pine tree, moving with a speed of 5.5 m/s just before hitting the ground. (a

olga2289 [7]

Answer:

-6327.45 Joules

650.375 Joules

378.47166 N

Explanation:

h = Height the bear slides from = 15 m

m = Mass of bear = 43 kg

g = Acceleration due to gravity = 9.81 m/s²

v = Velocity of bear = 5.5 m/s

f = Frictional force

Potential energy is given by

$P=mgh\\\Rightarrow P=43\times -9.81\times 15\\\Rightarrow P=-6327.45\ J$

Change that occurs in the gravitational potential energy of the bear-Earth system during the slide is -6327.45 Joules

Kinetic energy is given by

$K=\frac{1}{2}mv^2\\\Rightarrow K=\frac{1}{2}\times 43\times 5.5^2\\\Rightarrow K=650.375\ J$

Kinetic energy of the bear just before hitting the ground is 650.375 Joules

Change in total energy is given by

$\Delta E=fh=-(\Delta K+\Delta P)\\\Rightarrow fh=-(650.375-6327.45)\\\Rightarrow fh=5677.075\\\Rightarrow f=\frac{5677.075}{h}\\\Rightarrow f=\frac{5677.075}{15}\\\Rightarrow f=378.47166\ N$

The frictional force that acts on the sliding bear is 378.47166 N

5 0

2 years ago

Read 2 more answers

Nuclear power plants are designed to convert nuclear energy into what type of energy?

vladimir1956 [14]

Hey there!

Nuclear power plants are often designed to CREATE electricity and/or electrical power.

Your answer would be B. Electrical

Hope this helps!

7 0

2 years ago

Read 2 more answers

Since Mars is smaller, how can it have an equal landmass?

Kruka [31]

With smaller mass, object should be more denser in order to have equal landmass.

Mars should be more denser, if it has equal landmass.

But in reality, it's landmass is not equal 'cause it's density is about 72% of that of earth.

Hope this helps!

4 0

2 years ago

According to the law of conservation of energy,

vova2212 [387]

Explanation:

energy cannot be created or destroyed, but only changed from one form to another or transferred from one object to another.

5 0

3 years ago

Discuss the difference between waveform graphs and vibration graphs​

Discuss the difference between waveform graphs and vibration graphs