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oksian1 [2.3K]
3 years ago
15

The law of conservation of momentum of two interacting objects that make up a system

Physics
1 answer:
Aleonysh [2.5K]3 years ago
6 0
The law of conservation of momentum states that, if left alone, the total momentum of two interacting objects that make up a system remains the same.
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You are driving at 40 miles per hour and you speed up to 60 miles per hour over the course of 20 miles. How long were
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Answer:

120 hours

Explanation:

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A 15kg object is travelling 10m/s and hit a stationary 10kg object and stuck together. What is the final velocity of the objects
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first object final velocity =2m/s

second = 12m/s

Explanation:

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Why are ionic solids poor conductors of electricity? The lattice is brittle. The ions are neutral. The ions are of equal but opp
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The ions are in fixed positions.

Explanation:

Ionic solids are poor conductors of electricity because their ions are fixed in position. Their ions are not free to move about. They are fixed in crystal lattices.

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6 0
3 years ago
Galilee said that if you rolled a ball along a level surface it would be
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It would <span>keep rolling without slowing down if no friction acted upon it.

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3 years ago
Two insulated wires, each 2.50 m long, are taped together to form a two-wire unit that is 2.50 m long. One wire carries a curren
liubo4ka [24]

Answer:

3.46 A

Explanation:

The force (F) exerted on a wire of a particular length (L) carrying current (I) through a magnetic field (B) at an angle (θ) to the magnetic field is given as

F = (B)(I)(L) sin θ

F = 3.13 N

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I = ?

L = 2.50 m

θ = 79°

3.13 = (0.360 × I × 2.5 × sin 79°)

0.8835 I = 3.13

I = 3.54 A

But this is the resultant current in this magnetic field.

Since the two wires are conducting current in opposite directions,

Resultant current = 7 - (current in the other wire)

Current in the other wire = 7 - 3.54 = 3.46 A

3 0
2 years ago
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