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Luden [163]
2 years ago
14

Based on the table, what would you predict the speed of sound through ice would most likely be?

Physics
1 answer:
MatroZZZ [7]2 years ago
3 0

Answer:

4000m/s

Explanation:

It would be this because sound travels faster through a solid rather than a liquid.

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How are engineers creating clothing that can charge your cell phone. Explain the science behind their innovation.
soldier1979 [14.2K]

Answer:

By the use of carbon nanotubes as the clothing material.

Explanation:

Carbon nanotubes is a technology designed by engineers that could make charging of the cell of a phone possible. It has some some required properties like it is strong, conductive and heat-resistant which are suitable for the purpose.

This technology which involves a progressive dipping of a pure cotton material into nafion polymer, then in a chemical solution of carbon nanotubes and finally in polystyrene until it becomes saturated and have a conductive property. The conductive cotton can be used to make such cloths which becomes conductive and produces some electromagnetic waves when there is a contact with sweat or fluid from the body. The waves generated can be used to charge a cell phone through radiation interaction.

8 0
3 years ago
A car traveled 60 km in 2 hours,84 km in the next 1 hour, and then 68 km in 2 hours before reaching its destination. What was th
zhenek [66]
60+84+68 / 5 = 42.4 km/hr
4 0
2 years ago
The volume of an object as a function of time calculated by V=At^3+B/t,where t is time measured in seconds and V is in cubic met
S_A_V [24]

Answer:

A = L^3 T^-3  ,  B = L^3 T

Explanation:

Given: volume ( V )  = At^3 + B/t  ------ ( 1 )

dimension of volume = L^3

and the Dimension of time = T

back to equation ( 1 )

L^3 = A * T^3   ------- ( 2 )

also L^3 = B/T ------- ( 3 )

from equation ( 2 )

A = L^3 T^-3

from equation ( 3 )

B = L^3 T

<u>The dimensions of the constants A and B </u>

A = L^3 T^-3  ,  B = L^3 T

8 0
3 years ago
which of the following described qualitative data? a. recording the temperature of a solid as it is warmed. b. noting the color
UNO [17]
Noting cloudiness occurs when two solutions are mixed.
8 0
3 years ago
Read 2 more answers
PLEASE ANSWER THIS I AM SO STUCK The increasing trend of energy requirements in the U.S.: a) is directly proportional to populat
stiks02 [169]

Answer:

It should be A

Explanation:

the amount of energy a population has should be based on how many people there are. if more people come into the population, the more energy it should have. if people leave the population, the less energy it should have.

7 0
3 years ago
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