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kompoz [17]
3 years ago
13

Which wave shown has more energy?

Physics
2 answers:
Anastasy [175]3 years ago
8 0
A it’s the correct answer
Leviafan [203]3 years ago
5 0

Answer:

1

Explanation:

it go up than down than up

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Two cars are heading towards each other but are 12 km apart. one car is going 70 km/hr, and the other is going 50 km/hr. how muc
vova2212 [387]
<span>12-50t=70t, t= 0.1h = 6 minutes.</span>
3 0
3 years ago
Determine the capacitive reactance for a 20 uF capacitor that is across a 20 volt, 60 Hz source
aleksandr82 [10.1K]

Answer:

Capacitive reactance is 132.6 Ω.

Explanation:

It is given that,

Capacitance, C=20\ \mu F=20\times 10^{-6}\ F=2\times 10^{-5}\ F

Voltage source, V = 20 volt

Frequency of source, f = 60 Hz

We need to find the capacitive reactance. It is defined as the reactance for a capacitor. It is given by :

X_C=\dfrac{1}{2\pi fC}

X_C=\dfrac{1}{2\pi \times 60\ Hz\times 2\times 10^{-5}\ F}

X_C=132.6\ \Omega

So, the capacitive reactance of the capacitor is 132.6 Ω. Hence, this is the required solution.

4 0
3 years ago
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kondor19780726 [428]

Answer:

72km

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= 40m/s x 1800s

= 72 000 m

= 72 km (1km is 1000m)

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You have a 100 g sample of Unobtainium, it is half a life of 2 years. How much will be left after 10 years?
sergeinik [125]

3.125 ,, that is the answer !!

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ted swam 25 m east in the lake and then turned and swam 75 m west. his displacement was 50 m west . what distance did he swam ?
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