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garri49 [273]
3 years ago
9

Suppose you have 50 grams of isotope with a half life of 2 years. How much is the isotope will you have after 4 years

Physics
1 answer:
sesenic [268]3 years ago
6 0
She say give tow points and write the equation of the line with the two give points (1,5) and (-3,-5 )
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How much power will be required to force a current of 4.13 amps to flow through a conductor whose resistance is 113 ohms? Use tw
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The power required to force the current of 4.13 A to flow through the conductor is 1927.43 watts

<h3>What is power? </h3>

This is defined as the rate in which energy is consumed. Electrical power is expressed mathematically as:

Power (P) = square current (I²)× resistancet (R)

P = I²R

<h3>How to determine the power</h3>
  • Current (I) = 4.13 A
  • Resistance (R) = 113 ohms
  • Power (P) =?

P = I²R

P = 4.13² × 113

P = 1927.43 watts

Thus, the power required is 1927.43 watts

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2 years ago
Isaac Newton was an English physicist who lived in the mid 1600s to the early 1700s. Newton stated that all objects are attracte
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3 years ago
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calculate the mass of displaced water when a piece of 30cm Iceberg with surface area 1000 cm^2 floats on water density of ice is
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Vi = As * h = 1000 * 30 = 30,000 cm^3 = Vol. of the ice.

Vb = (Di/Dw) * Vi = (0.9/1.0) * 30,000 = 27,000 cm^3 = Vol. below surface - Vol. of water displaced.

27,000cm^3 * 1g/cm^3 = 27,000 grams = 27 kg = Mass of water displaced.

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Explain why hitting/catching a baseball are great examples of each type of collision
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When you hit a ball it collides with the bat. When you catch a ball it collides with your hand.
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