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emmasim [6.3K]
3 years ago
13

Please help me on this 1 assignment im giving 25 points GOOD LUCK!

Physics
1 answer:
kati45 [8]3 years ago
3 0

Answer:

Explanation:

im sorry if this doesn't help but i think  its A

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0.00432 km = _____ mm
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<span>0.00432 km =4320mm

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If two measurements are very close to each other, then they are ____.
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Two balls have their centers 2.0 m apart. One ball has a mass of m1 = 7.9 kg. The other has a mass of m2 = 6.1 kg. What is the g
maks197457 [2]

Answer:

3.036×10⁻¹⁰ N

Explanation:

From newton's law of universal gravitation,

F = Gm1m2/r² .............................. Equation 1

Where F = Gravitational force between the balls, m1 = mass of the first ball, m2 = mass of the second ball, r = distance between their centers.

G = gravitational constant

Given: m1 = 7.9 kg, m2 = 6.1 kg, r = 2.0 m, G = 6.67×10⁻¹¹ Nm²/C²

Substituting into equation 1

F = 6.67×10⁻¹¹×7.9×6.1/2²

F = 321.427×10⁻¹¹/4

F = 30.36×10⁻¹¹

F = 3.036×10⁻¹⁰ N

Hence the force between the balls = 3.036×10⁻¹⁰ N

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Explanation:

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