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inn [45]
3 years ago
6

Write your original hypothesis here?

Physics
1 answer:
Gekata [30.6K]3 years ago
8 0
WAIT.... What are the items?
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Explain how water is controlled to generate electrical energy in hydro-electric dams. and show a diagram is help explain the ans
kirza4 [7]
Here is how I would I explain it. Water is channeled through tunnels in the dam. The energy of water flowing through the dam’s tunnels cause turbines to turn. The turbines make generators move. Generators are machines that produce electricity. Engineers control the amount of water let through the dam. The process used to control this flow of water is called the intake system.

Hope this helps can’t do the diagram part.
6 0
2 years ago
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of
uysha [10]

Answer:

q = 4.04×10^-12C

n = 2.53×10^7

Explanation:

1. Electrostatic force on charge due to electrical field E is F = qE

Gravitational force due to weight of drop of mass M is F = mg, when net force is zero we have to find the charges on the drop.

2. Charge on drop: since gravitational force is acting downward, electric field is acting upward and we equate both equations.

Therefore, Fg = Fe

qe = mg

q = mg/E

q = 3.50×10^-9kg×9.8m/s²/8480N/c

q = 4.04 × 10^-12

3. Number of protons by quantitization law

n = q/e

n = 4.04× 10^-12/8480

n = 2.53× 10^7

8 0
3 years ago
Lc circuit consists of a 20.0 mh inductor and a 0.150 µf capacitor. if the maximum instantaneous current is 0.400 a, what is the
slavikrds [6]
The following expression is applicable:

Max. inductor energy = Max. capacitor energy

Where;
Max. inductor energy = LI^2/2, with L = 20.0 mH, I = 0.400 A
Max. capacitor energy = CV_max^2/2, C = 0.150 micro Faraday, V_max = Max. potential difference

Substituting;
LI^2/2 = CV^2/2
LI^2 = CV^2
V^2 = (LI^2)/C
V_max = Sqrt [(LI^2)/C] = Sqrt [(20*10^-3*0.4^2)/(0.15*10^-6)] = 146.06 V
5 0
3 years ago
A 1-kg chunk of putty moving at 1 m/s collides with and sticks to a 5-kg bowling ball initially at rest. The bowling ball and pu
mars1129 [50]
Momentum P is conserved because there are no external forces acting on the system.

P before = P after = m₁ v₁ + m₂ v₂  

m₁ = 1
m₂ = 5

before:
v₁ = 1
v₂ = 0

Pᵇ = 1·1 + 5 · 0

after:
v₁ = v₂

Pᵃ = Pᵇ

4 0
3 years ago
Read 2 more answers
Which type of bond does this molecule have?
Gnesinka [82]
They share covalent bonds
3 0
3 years ago
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