Analyze how most volcanic mountains formed in California
2 answers:
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Answer:
1440 W
Explanation:
First of all, we can find the total displacement of the sled, which is given by
where
a = 0.08 m/s^2 is the acceleration
t = 1 min = 60 s is the time
Substituting,
Now we can find the wotk done on the sled, equal to the product between force and displacement:
And finally we can fidn the average power, which is the ratio between the work done and the time taken:
The smallest size of the insect that the bats can detect corresponds to the wavelength of the chirp they emit.
Their chirp has a frequency of
and the speed of the chirp is equal to the speed of sound in air:
Therefore the wavelength of the chirp is
which corresponds to a size of 4.76 mm.
Their chirp has a frequency of
and the speed of the chirp is equal to the speed of sound in air:
Therefore the wavelength of the chirp is
which corresponds to a size of 4.76 mm.