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Zolol [24]
3 years ago
6

The magnetic field around a magnet is called Plss tell me fasssttt

Physics
1 answer:
Olenka [21]3 years ago
6 0

Explanation:

The magnetic needle of a compass lines up with Earth's magnetic poles.

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How can a wind turbine be used to make an electric circuit?
Radda [10]

Answer:

Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a generator to create electricity.

Explanation:

7 0
3 years ago
PLEASE HELP QUICK
Reika [66]

Answer: 270 km

Explanation:

3 cm/80 km :: 10 cm/(x)km

cross multiply

3x = 80(10)

x = 800/3 = 266.66666... ≈ 270 km

5 0
3 years ago
To Calculate Velocity and Average Velocity you can use the same formula as both.
Elanso [62]

Answer:

I believe it's True!    Brainliest??

Explanation: Hope you have a great day :)

4 0
3 years ago
A railroad cart with a mass of m1 = 11.6 t is at rest at the top of an h = 10.9 m high hump yard hill.
leonid [27]

The final common speed of the two carts will be 69.3 m/sec.The momentum conservation principle is applied.

<h3>What is the law of conservation of momentum?</h3>

According to the law of conservation of momentum, the momentum of the body before the collision is always equal to the momentum of the body after the collision.

Unit conversion:

1 metric tons = 1000 kg

Given data;

m₁= 11.6 metric ton =11600 kg

m₂ = 23.2 metric ton =  23200 kg

Let v represent the combined velocity of the two carts once they are connected, and let u represent the starting velocity of cart 1 when it reaches the bottom.

Considering energy conservation;

\rm  m_1 g h = \frac{1}{2} m_1 \times  u^2 \\\\ u^2 = 2gh\\\\ u^2 = 2  \times 9.8 \times 10.6 \\\\  u = 207.972 \ m/s

From the conservation of momentum principle;

\rm m_1 \times  u = (m_1 + m_2) v\\\\ 11600 \times  207.972 = (11600 + 23200) \times v \\\\ v = 69.3  \ m/s

Hence, the final common speed of the two carts will be 69.3 m/sec.

To learn more about the law of conservation of momentum refer;

brainly.com/question/1113396

#SPJ1

7 0
2 years ago
Need all the answers to (Lab report: phase change) asap
mr_godi [17]

Explanation: It's really blurry and sideways

6 0
3 years ago
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