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Levart [38]
3 years ago
8

What does it mean by km/h/s?

Physics
2 answers:
Leona [35]3 years ago
7 0

km means kilometers which is the measuring system for distance, /h/s means per hour.

Example: i was going 160 km/h/s

Meaning: i was going 160 kilometers per hour.

Hope i helped!

Salsk061 [2.6K]3 years ago
5 0

Km/h/s means Kilometers per hour per second.

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When nuclear fission occurs some mass is lost where does that mass go
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6 0
3 years ago
A 20 μF capacitor initially charged to 30 μC is discharged through a 1.5 kΩ resistor. Part A How long does it take to reduce the
Natasha_Volkova [10]

Answer:

it will take 36.12 ms to reduce the capacitor's charge to 10 μC

Explanation:

Qi= C×V

then:

Vi = Q/C = 30μ/20μ = 1.5 volts

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Vf = Q/C = 10μ/20μ = 0.5 volts

then:

v = v₀e^(–t/τ)  

v₀ is the initial voltage on the cap  

v is the voltage after time t  

R is resistance in ohms,  

C is capacitance in farads  

t is time in seconds  

RC = τ = time constant  

τ = 20µ x 1.5k = 30 ms  

v = v₀e^(t/τ)  

0.5 = 1.5e^(t/30ms)  

e^(t/30ms) = 10/3  

t/30ms = 1.20397

t = (30ms)(1.20397) = 36.12 ms

Therefore, it will take 36.12 ms to reduce the capacitor's charge to 10 μC.

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3 years ago
Question 4
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Answer:

C

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