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Nuetrik [128]
3 years ago
12

The police department is excited to have some new motorcycle units. One officer said that these motorcycles can go from 0 miles

per hour to 80 miles per hour and just six seconds the officer is describing the motorcycle
Physics
1 answer:
nikklg [1K]3 years ago
7 0
The officer is describing the motorcycle's acceleration. Of course when the bike goes from 0 to 80 in 6 seconds the police officer himself is left lying flat on his back in the parking lot.
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Two different simple harmonic oscillators have the same natural frequency (f=8.80 Hz) when they are on the surface of the Earth.
bekas [8.4K]

Answer:

8.80 Hz

Explanation:

The frequency of a loaded spring is given by

f=\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}

where k and m are the spring constant and the mass of the load respectively. The values of these do not change because they are internal properties of the components of the system.

Hence, the frequency of the vertical spring mass does not change and is 8.80 Hz.

On the other hand, the frequency of the simple pendulum is affected because it is given by

\dfrac{1}{2\pi}\sqrt{\dfrac{g}{l}}

where g and l are acceleration due to gravity and length of the pendulum, respectively. It is thus seen that it depends on g, which changes with location. In fact, the new frequency is given by

f_2 = 8.80\sqrt{\dfrac{1.67}{9.81}}=3.63 \text{ Hz}

3 0
3 years ago
A plane traveled west for 4.0 hours and covered a distance of 4,400 kilometers. What was its velocity? 18,000 km/hr
olga55 [171]

Velocity is the same as the formula for speed, the only difference is velocity has direction. Velocity is distance over time. Given is 4,400 kilometers travelled west in 4 hours. Applying the given equation, we wil have 4,400/4 = 1,100 km/hr west

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When energy from the sun hits the air above
valentina_108 [34]

Answer: C I think.

Explanation:

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Answer:

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The slowest animal ever discovered was a crab found in the Red Sea. It traveled with an average speed of 5.70km/yr. how long wou
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If it takes 1 year for this crab to travel 5,70km

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