3 years ago

Friction is defined as *

Physics

1 answer:

den301095 [7]3 years ago

5 0

Answer:

O a force that opposes motion

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Number 1 is letter A

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Maria and Ben are both suffering from a hereditary disease, as described in the following table.

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The answer is option B

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A 25 kg child runs at a speed of 5.0 m/s and jumps onto a stationary shopping cart and holds on for dear life. The cart has mass

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Answer:

3.38 m/s

Explanation:

Mass of child = m₁ = 25

Initial speed of child = u₁ = 5 m/s

Initial speed of cart = u₂ = 0 m/s

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Velocity of cart with child on top = v

This is a case of perfectly inelastic collision

$m_1u_1+m_2u_2=(m_1+m_2)v\\\Rightarrow v=\frac{m_1u_1+m_2u_2}{m_1+m_2}\\\Rightarrow v=\frac{25\times 5+12\times 0}{25+12}\\\Rightarrow v=\frac{125}{37}\\\Rightarrow v=3.38\ m/s$

Velocity of cart with child on top is 3.38 m/s

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3 years ago

Why would you have more gravitational force with Jupiter than the earth?

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Answer:

Jupiter has more mass

Explanation:

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¿Por qué es importante tu carrera en la sociedad? Menciona un mínimo de tres argumentos para sustentar tu respuesta y su aporte

agasfer [191]

Answer:

La carrera es importante para ganarse la vida, el respeto en la sociedad y cumplir el sueño.

Explanation:

La carrera es importante por las siguientes razones principales

a) Es una forma de ganar para alimentarse a sí mismo y a su familia y asegurar su futuro.

b) Permite ser considerado como una persona respetable en la sociedad.

c) Es importante ya que también brinda la oportunidad de cumplir el sueño.

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