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Otrada [13]
3 years ago
15

What is meant by free fall

Physics
2 answers:
Firlakuza [10]3 years ago
5 0
Downward movement under the force of gravity only.
Svetllana [295]3 years ago
5 0
I think free fall means due to the force of gravity a downwards movement occurs 
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What can you infer from the fact that metals are good conductors of electricity?
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Answer:

Knowing that these metals are infact good conductors of electricity we can infer that metals are able to hold and conduct certain temperatures. Another thing we can infer is that these good conductors can be used in connection to transferring energy or electricity.

6 0
2 years ago
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The voltage across the terminals of a 9.0 v battery is 8.5 v when the battery is connected to a 60 ω load. part a what is the ba
snow_lady [41]
Refer to the diagram shown below.

i = the current in the circuit., A
R₁ = the internal resistance of the battery, Ω
R₂ = the resistance of the 60 W load, Ω

Because the resistance across the battery is 8.5 V instead of 9.0 V, therefore
(R₁ )(i A) = 9 - 8.5 = (0.5 V)
R₁*i = 0.5         (10

Also,
R₂*i = 9.5         (2)

Because the power dissipated by R₂ is 60 W, therefore
i²R₂ = 60
From (2), obtain
i*9.5 = 60
i = 6.3158 A

From (1), obtain
6.3158*R₁ = 0.5
R₁ = 0.5/6.3158 = 0.0792 Ω = 0.08 Ω (nearest hundredth)

Answer: 0.08 Ω

3 0
2 years ago
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A helicopter ambulance flew from one hospital to another in a straight line. The pilot had to change speed several times due to
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Answer:

Explanation:

All the rest of the information is extraneous. The only 2 things you have to know are

d = 20 km

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Answer:

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