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Novosadov [1.4K]
3 years ago
6

Please help me asdrtyuio

Physics
1 answer:
marta [7]3 years ago
4 0

Answer:

9. The Sun's Gravity

10. The core is the densest layer

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Your mom is making lunch which forces are acting on your mom
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The forces acting on your mom while cooking is Air resistance and the force of friction

<u>Explanation:</u>

<u>1. Air resistance:</u>

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<u>2. The force of friction:</u>

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A ball is thrown vertically upward, which is the positive direction. A little later, it returns to its point of release. The bal
Aleks [24]

Answer:

The initial velocity of the ball is <u>39.2 m/s in the upward direction.</u>

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Tota time the ball remains in air (t) = 8.0 s

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Plug in the given values and solve for 'u'. This gives,

0=8u-0.5\times 9.8\times 8^2\\\\8u=4.9\times 64\\\\u=\frac{4.9\times 64}{8}\\\\u=4.9\times 8=39.2\ m/s

Therefore, the initial velocity of the ball is 39.2 m/s in the upward direction.

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