3 years ago

A snail can move approximately 0.30 meters per minute.how many meters can the snail cover in 15 minutes?

Physics

1 answer:

ololo11 [35]3 years ago

3 0

Answer:

4.5 meters is your Answer goood luck please give 5 star

Explanation:

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Explanation:

Distance d=1.5×108 km=1.5×1011 m

Mass of the sun, m=2×1030 kg

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3 years ago

A student is studying simple harmonic motion of a spring. She conducts an experiment where she measures the amplitude and period

myrzilka [38]

Answer:

5.9*10^{-4}m

Explanation:

to find the uncertainty of the displacement it is necessary to compute the uncertainty for the angular frequency:

$\omega=\frac{2\pi}{T}=\frac{2\pi}{0.40s}=15.707rad/s\\\\\frac{d \omega}{\omega}=\frac{dT}{T}\\\\d\omega=\omega \frac{dT}{T}=(15.707rad/s)\frac{0.020s}{0.40s}=0.785rad/s$

then, you can calculate the uncertainty in angular displacement:

$\theta=\omega t\\\\\frac{d\theta}{\theta}=\sqrt{(\frac{d\omega}{\omega})^2+(\frac{dt}{t})^2}\\\\d\theta=\theta\sqrt{(\frac{d\omega}{\omega})^2+(\frac{dt}{t})^2}=0.0422$

finally, by using:

$y=Acos(\omega t)\\\\dy=dAcos(\omega t)d(\omega t)=(dA)cos(\theta)d\theta=(0.002m)cos(0.785)(0.0422)\\\\dy=5.9*10^{-4}m$

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3 years ago