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3 years ago

8

The mass of a basketball is three times greater than the mass of a softball . Compare the momentum’s of a softball and a basketb

all if they both are moving at the same velocity

1 answer:

Lemur [1.5K]3 years ago

4 0

They are moving the softball of basketball

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A 0.0663 kg ingot of metal is heated to 241◦C

Westkost [7]

Answer:280.216j/kg°C

Explanation:

Mass of metal=0.0663kg

mass of water=0.395kg

Final temperature=27.4°C

Temperature of metal=241°C

Temperature of water=25°C

specific heat capacity of water=4186j/kg°C

0.0663xax(241-27.4)=0.395x4186x(27.4-25)

0.0663xax213.6=0.395x4186x2.4

14.16168a=3968.328

a=3968.328 ➗ 14.16168

a=280.216j/kg°C

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2 years ago

Which of the following elements are least abundant in the solar system?

Art [367]

The answer to this question is Helium

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2 years ago

Flura [38]

Answer:

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Explanation:

15 minutes is a quarter of an hour, so you divide 16km by 4 to get your answer

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2 years ago

A hockey puck with a mass of 0.175 kg slides over the ice. The puck initially slides with a speed of 5.25 m/s, but it comes to a

Neko [114]

Answer:

1.70 J

Explanation:

The heat dissipated is the difference in the kinetic energies.

This is given by

$E = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2$

$v_i$ and $v_f$ are the initial and final velocities.

With <em>m</em> = 0.175 kg,

$E = \frac{1}{2}\times0.175(2.85^2 - 5.25^2) = -1.701\text{ J}$

The negative sign appears because energy is lost.

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3 years ago

Cuales son los factores para que un sobre conductor se genere y aumente la energía termíca

riadik2000 [5.3K]

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2 years ago