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Inessa [10]
3 years ago
9

A Net Force Of 60 N Accelerates A 4-kg Mass Over A Distance Of 10 M.

Physics
1 answer:
storchak [24]3 years ago
5 0
Net Force = 600 N
Kinetic Energy = 600 J
(Work done) >> KE since there is no mention of frictional forces
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What is the output voltage from a step up transformer with 25 turns in the primary coil and 75 turns in the secondary coil if th
Greeley [361]

Answer:

360 V

Explanation:

We can use the transformer equation:

\frac{V_p}{N_p}=\frac{V_s}{N_s}

where

V_p is the primary (input) voltage

N_p is the number of turns in the primary coil

V_s is the secondary (output) voltage

N_s is the number of turns in the secondary coil

In this problem,

V_p = 120 V\\N_p = 25\\N_s = 75

Substituting into the equation, we can find the output voltage:

V_s = N_s \frac{V_p}{N_p}=(75)\frac{120}{25}=360 V

7 0
3 years ago
A circuit has resistors R 1 = 468 Ω and R 2 = 125 Ω R1=468 Ω and R2=125 Ω , and two batteries V 1 = 12.0 V and V 2 = 3.00 V V1=1
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Answer:

0.0192A

Explanation:

Since, the reading of the galvanometer is 0 A, the voltage across the resistance R will be:

Step 1

VR = V2

VR = 3.00v

Step 2

Calculating the current through the resistance R as below,

IR = V1 - V2 /R1

IR = 12 - 3 /468

IR =0.0192A

7 0
3 years ago
Which of the following is the water cycle process where the extra water that plants release is evaporated from their leaves?
ddd [48]
B evaporation since the water is going up
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9966 [12]
Yeah, because of it's short frequencies, ultraviolet rays can travel through empty space- D
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elena-s [515]

Answer:

Illusory correlation

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3 years ago
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