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Eddi Din [679]
3 years ago
15

Describe the changes of motion when marble is moved from one viewpoint to another.

Physics
1 answer:
slavikrds [6]3 years ago
5 0

Answer:

Explanation:

according to Newton First Law of Motion (Law of Inertia); An object at rest will stay at rest, forever, as long as nothing pushes or pulls on it. An object in motion will stay in motion, traveling in a straight line, forever, until something pushes or pulls on it.

the marble will move in a straight line

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A 300 g bird is flying along at 6.0 m/s and sees a 10 g insect heading straight towards it with a speed of 30 m/s. The bird open
Gelneren [198K]

Answer:

(a): The bird speed after swallowing the insect is V= 4.83 m/s

(b): The impulse on the bird is I= 0.3 kg m/s

(c): The force between the bird and the insect is F= 20 N

Explanation:

ma= 0.3 kg

va= 6 m/s

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3 years ago
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3 years ago
Someone pls help me with this!
Lina20 [59]

Answer:

<em>F=8.87 N</em>

Explanation:

<u>Coulomb's Law </u>

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Written as a formula:

\displaystyle F=k\frac{q_1q_2}{d^2}

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d= The distance between the objects  in meters

Object 1 has a charge of

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q_2=-4.2\cdot 10^{-6}\ c

They are separated by a distance of

d = 0.099 m

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\displaystyle F=9\cdot 10^9\frac{2.3\cdot 10^{-6}*4.2\cdot 10^{-6}}{0.099^2}

F=8.87 N

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8 0
3 years ago
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