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Mashcka [7]
2 years ago
10

Explain why sound is more clear at night than the day​

Physics
1 answer:
meriva2 years ago
5 0

because of god we can hear better at night.

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How much power is required to do 180 J of work in 2.4s?​
rjkz [21]
75
p = w / t
p = 180 / 2.4
p = 75
3 0
3 years ago
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My buddy and I are planning a shore dive. we're descending onto a very gradual slope that begins at 5 m/15 ft, so our descent an
Gnom [1K]

Answer:

C. 157 bar/2270 psi

Explanation:

Calculation to determine what we should head back when either of our SPGs read

SPGs=200 bar -[200 bar-(50 bar + 20 bar)]÷1/3]

SPGs=200 bar-[(200 bar-70 bar)÷1/3]

SPGs=200 bar-(130 bar÷1/3)

SPGs=200 bar-43 bar

SPGs=157 bar/2270 psi

Therefore based on the above calculation we should head back when either of our SPGs read 157 bar/2270 psi

4 0
3 years ago
How large a current would a very long, straight wire have to carry so that the magnetic field 2.20 cm from the wire is equal to
choli [55]
Biot-Savart Law - Magnetic field around a straight conductor carrying a current I.

B = μ_0 I/2πr

where:
B is strength of magnetic field in T.
μ_0 is permeability of free space = 1.25664 x 10^ -6 T-m/A.
I is current in A.
r is distance from conductor in m.

<span>So I = 2πrB /μ_0</span>
6 0
3 years ago
An is holding an ice cube. What causes the ice to melt?
ivann1987 [24]

Answer: A... Thermal energy from the ice is transferred to the air.

Explanation: because I just know.

6 0
3 years ago
What is an non-example of a switch
loris [4]
Dont really understand what youre asking but switches can be used to turn things on and off.
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