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dybincka [34]
3 years ago
6

Please help on this one? The mass on the spring in this diagram is in harmonic motion between x = -5cm and x=5cm

Physics
1 answer:
shutvik [7]3 years ago
8 0

c ... max speed zero accel

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A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular path the riders follow
trapecia [35]

Answer:N=13.53 rpm

Explanation:

Given

radius r=7.80 m

Centripetal acceleration a_c=1.6 g

and centripetal acceleration a_c=\omega ^2r

where \omega =angular\ velocity

1.6\times 9.8=\omega ^2\times 7.8

\omega ^2=2.0102

\omega =1.417 rad/s

and  \omega =\frac{2\pi \cdot N}{60}

1.417\times 60=2\pi \cdot N

N=13.53 rpm

8 0
3 years ago
What is the correct formula for finding the frequency of an electromagnetic wave
Licemer1 [7]
Answer:
f = c / λ

Explanation:
Electromagnetic waves are types of periodic waves. They propagate with the same speed as light (3 * 10⁸ m/sec).
Therefore:
velocity of wave = c

Now, the equation that relates speed of wave and its frequency is as follows:
c = λf
where:
c is the speed of wave
f is the frequency of the wave
λ is the wavelength of the wave

Solve the above equation for frequency, we will end up with:
f = c / λ


3 0
3 years ago
A He–Ne laser illuminates a narrow, single slit that is 1850 nm wide. The first dark fringe is found at an angle of 20.0∘ from t
egoroff_w [7]

Answer:

Wavelength of light will be 632.73 nm

Explanation:

We have given width of the single slit d=1850nm-1850\times 10^{-9}m

Angle is given as \Theta =20^{\circ}

We have to find the wavelength of light for first dark fringe

We know that for dark fringe it is given that

dsin\Theta =n\lambda

For first fringe n = 1

So 1850\times 10^{-9}\times sin20^{\circ} =1\times \lambda

\lambda =632.73nm

3 0
3 years ago
A pelican flying along a horizontal path drops
Ludmilka [50]

Answer:

The initial speed of the pelican is 8.81 m/s.

Explanation:

Given;

height of the pelican, h = 5.0 m

horizontal distance, X = 8.9 m

The time of flight is given by;

t = \sqrt{\frac{2h}{g} } \\\\t = \sqrt{\frac{2*5}{9.81} } \\\\t = 1.01 \ s

The initial horizontal speed of the pelican is given by;

X = vₓt

vₓ = X / t

vₓ = 8.9 / 1.01

vₓ = 8.81 m/s

Therefore, the initial speed of the pelican is 8.81 m/s.

8 0
3 years ago
Select the statement that shows the correct relationship between current, voltage, and power.
bogdanovich [222]
 Best Answer:  <span>Power = Current * Voltage 

Therefore (B) is correct.

YOUR WELCOME!

</span><span>
</span>
7 0
3 years ago
Read 2 more answers
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