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fiasKO [112]
3 years ago
14

What's saturns rotation

Physics
1 answer:
xeze [42]3 years ago
4 0
The way it rotates is Counter-clockwise
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Consider a river flowing toward a lake at an average speed of 3 m/s at a rate of 550 m3/s at a location 58 m above the lake surf
Vladimir [108]

Answer:

1. 0.574 kJ/kg

2. 315.7 MW

Explanation:

1. The mechanical energy per unit mass of the river is given by:

E_{m} = E_{k} + E_{p}

E_{m} = \frac{1}{2}v^{2} + gh

Where:

Ek is the kinetic energy

Ep is the potential energy

v is the speed of the river = 3 m/s

g is the gravity = 9.81 m/s²

h is the height = 58 m

E_{m} = \frac{1}{2}(3 m/s)^{2} + 9.81 m/s^{2}*58 m = 0.574 kJ/Kg

Hence, the total mechanical energy of the river is 0.574 kJ/kg.

2. The power generation potential on the river is:

P = m(t)E_{m} = \rho*V(t)*E_{m} = 1000 kg/m^{3}*550 m^{3}/s*0.574 kJ/kg = 315.7 MW

Therefore, the power generation potential of the entire river is 315.7 MW.

I hope it helps you!

4 0
3 years ago
Approximately where is it currently high tide on Earth? Group of answer choices wherever it is currently noon anywhere that ocea
Wewaii [24]

Answer:

Option D, only on the portion of the Earth facing directly toward the Moon

Explanation:

Tides are caused by the gravitational pull of moon. The part of earth that faces the moon experiences the highest gravitational force and hence the high tides will occur in this regions only. The regions that do not faces the moon experiences low tides. It is the gravity of moon that attracts the ocean water towards itself.

Hence, Option D is correct

7 0
2 years ago
PLEASE HELP!! WORTH A TOTAL OF 100 POINTS!!
Serjik [45]

The last equation gives you the tension in the string on the right:

T_2 = 2Mg - 2Ma = 2M (g-a) = \boxed{33.2 \, \mathrm N}

4 0
2 years ago
i)Distinguish between different methods of charging. ii) You are provided with a positively charged gold leaf electroscope. Stat
AleksAgata [21]

Answer:

Explanation:

On rubbing a glass rod with silk, the electrons from the glass rod get transferred to the silk. The silk now has an excess of electrons and so is negatively-charged. On the other hand, the glass rod is deficient in electrons and hence is positively-charged.

In the above case, the silk undergoes negative electrification.

Now, when the positively charged glass rod is touched on the disc of a negatively charged gold leaf electroscope, the electrons shifts towards rod, hence amount of charge on gold leaves decreases and the divergence between the gold leaves decreases as unlike charges attract each other.

Hence, the divergence decreases when a glass rod rubbed with silk is brought near the disc of negatively charged electroscope.

hope it helps pls mark me as brainliest

6 0
3 years ago
QUICK!!!!! QUESTION ATTACHED!!!!!!!! WILL GIVE BRAINLIEST!!!!!!!!!
Molodets [167]

Answer:

A  works to find magnitude. The leading negative sign gives us the positive magnitude after the correct velocity is found without it.

8 0
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