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3 years ago

7

If a carbon atom was broken in half, would it still be carbon?

1 answer:

iVinArrow [24]3 years ago

4 0

If a carbon atom was broken in half, would it still be carbon? 99% of all carbon atoms are the isotope carbon-12m containing 6 protons and 6 neutrons. If you split that evenly, the resulting atom would have 3 protons and 3 neutrons, which would be lithium-6.

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A student, Daniela, is arguing that since a meteor is weightiess in space, if it crashes

zmey [24]

Answer:

she's wrong because she is and there it doesn't say she's right

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2 years ago

Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of

Lana71 [14]

Electric field due to a point charge is given as

$E = \frac{kq}{r^2}$

here we know that

$q = 1.6 \times 10^{-19} C$

also the distance is given as

$r = 5.29 \times 10^{-11} m$

now we will have

$E = \frac{(9\times 10^9)(1.6 \times 10^{-19})}{(5.29 \times 10^{-11})^2}$

so we will have

$E = 5.14 \times 10^{11} N/C$

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3 years ago

Two identical waves are destructively interfere. What will happen to the resulting wave?

storchak [24]

Answer:

Because the disturbances are in opposite directions for this superposition, the resulting amplitude is zero for pure destructive interference

Explanation:

8 0

3 years ago

Determine the value of the information in scientific notation. The moon is approximately 3. 63 × 108 meters from Earth. What is

Usimov [2.4K]

Answer:

d

Explanation:

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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.

7 0

3 years ago