ANY DENSE OBJECT
A mathematical equation for density is: Density = mass/volume or D = m/v. If something has a large mass compared to its volume, it has a high density. This is like a set of weights which can be small but heavy. But if an object has a small mass compared to its volume it has a lower density.
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Answer:
d = 186.3 m
Explanation:
Given that,
Speed of Matthew 3.45 m/s due eastward
It takes 54 seconds to walk to the store.
We need to find the distance covered. The product of speed and time is equal to the distance covered.
d = vt
Putting all values,
d = 3.45 m/s × 54 s
d = 186.3 m
Hence, he will cover a distance of 186.3 m.
Since you didn't tell us the choices, I can pick anything I like.
The one that always does it for me is " foaming brine " .
Answer:
net outward force on a passenger's eardrum is 0.6115 N
Explanation:
Change in pressure is calculated as follows
![\Delta P= \rho g h](https://tex.z-dn.net/?f=%5CDelta%20P%3D%20%5Crho%20g%20h)
h= height of liquid column =480 m
ρ= density of liquid= 1.3 kg/m^3
putting values we get
![\Delta P= 1.3\times9.8\times480 g h](https://tex.z-dn.net/?f=%5CDelta%20P%3D%201.3%5Ctimes9.8%5Ctimes480%20g%20h)
ΔP= 6115 Pa
Area of the eardrum is approximately
= 1 cm^2
Therefore, net force F = AΔP
= ![1\times10^{-4}\times6115](https://tex.z-dn.net/?f=1%5Ctimes10%5E%7B-4%7D%5Ctimes6115)
= 0.6115 N