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frez [133]
3 years ago
6

A 0.111 kg hockey puck moving at 55 m/s is caught by a 80 kg goalie at rest. With what speed does the goalie slide on the (frict

ionless) ice? a 3.78 m/s b 2 m/s C 0.076 m/s d 1.056 m/s​
Physics
1 answer:
Andrews [41]3 years ago
6 0

Answer: 0.076 m/s

Explanation:

Momentum is conserved:

m v = (m + M) V

(0.111 kg) (55 m/s) = (0.111 kg + 80. kg) V

V = 0.076 m/s

After catching the puck, the goalie slides at 0.076 m/s.

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3 years ago
You're carrying a 3.2-m-long, 24kg pole to a construction site when you decide to stop for a rest. You place one end of the pole
Aleksandr [31]

Answer:

Tension of 132N

Explanation:

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\sum F = 24(9.8)

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Where the Force 2 is 1.25m from the center of summatory,

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5 0
3 years ago
Dos cargas puntuales están fijas en el eje x: q1 = 6.0µC está en el origen, O, con x1 = 0.0 cm, y q2 = –3.0 µC está situada en e
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Answer:

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Explanation:

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as q₁= 6 10⁻⁶ C the field is outgoing to the right

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E_total = 9 10⁹ / (4 10⁻²)²   (6.0 10⁻⁶ +3.0 10⁻⁶)

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8 0
3 years ago
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A, a low-mass red star
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