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I am Lyosha [343]
3 years ago
9

You kick a soccer ball of mass 0.41 kg. the ball leaves your foot with an initial speed of 23 m/s. (a what is the magnitude of t

he impulse imparted to the ball by you?
Physics
2 answers:
svetoff [14.1K]3 years ago
7 0
Impulse describes the change of momentum. Since we don't know the momentum of the soccer ball before the hit, this question is hard to answer. If you assume the momentum of the ball before the hit was p = 0, then the change in momentum is just Δp = Impulse = mv.
Karolina [17]3 years ago
3 0
Impulse = change in momentum

initial momentum = 0
final momentum = mv = 0.41 * 23 = 9.43 kg.m/s

Impulse = 9.43 - 0 = 9.43 kg.m/s
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Explanation:

For equilibrium, \sum M = 0.

So,   8 m \times mg - (10 m) T_{1} = 0

             T_{1} = \frac{8 \times mg}{10}

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Also, for equilibrium \sum F_{y} = 0

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or,         T_{2} = mg - T_{1}

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3 years ago
An electric drill rated at 400 W is connected to a 240V power line. How much current does it draw?
disa [49]

Answer:

1.67 A

Explanation:

Given that,

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The amount of current drawn will be,

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8 0
2 years ago
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Answer:

Explanation:

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Answer:

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HCl is a mineral acid while Mg is a metallic substance

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2 years ago
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