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solmaris [256]
3 years ago
9

Which of the following measures the radiation given off by atoms per second?

Chemistry
2 answers:
marin [14]3 years ago
6 0
curie, <span>one basic unit are used for measuring radiation. One is the </span>curie,<span> named after Marie and Pierre Curie. </span>
Irina-Kira [14]3 years ago
6 0

Curie is the answer, hope this helps

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Describe the radial velocity curve. What is its shape? What is its amplitude? What is the orbital period?
lutik1710 [3]

Answer:

The radial velocity curve describes how fast a star is moving in its orbit around a center of mass ( m )

Curve amplitude : This is the maximum value of the radial velocity curve

Radial velocity shape ; The shape of Radial velocity curve is parabolic in nature

Orbital period : Orbital period is the time taken by the star  to make one complete rotation in its orbit

Explanation:

The radial velocity curve describes how fast a star is moving in its orbit around a center of mass ( m ) while Curve amplitude  is the maximum value of the radial velocity curve also The shape of Radial velocity curve is parabolic in nature. and  Orbital period is the time taken by the star  to make one complete rotation in its orbit

7 0
3 years ago
1. Marisa determined the melting point of a substance to be 24.5C. Find the percent error of her measurement if the actual melti
USPshnik [31]

Answer:

\%\ Error = 21.5\%

Explanation:

Given

Measured = 24.5

Actual = 31.2

Required

Determine the percentage error

First, we need to determine the difference in the measurement

Difference = |Actual - Measured|

Difference = |31.2 - 24.5|

Difference = |6.7|

Difference = 6.7

The percentage error is calculated as thus:

\%\ Error = \frac{Difference * 100\%}{Actual}

\%\ Error = \frac{6.7 * 100\%}{31.2}

\%\ Error = \frac{670\%}{31.2}

\%\ Error = 21.4743589744\%

\%\ Error = 21.5\% <em>approximated</em>

6 0
3 years ago
You are given 2 balls that are made of the same material. They are also the same size and color. One is hollow and one is solid.
RUDIKE [14]

Answer:density

Explanation:

it’s how’s how dens the ball is

7 0
3 years ago
Pete drives 150 meters in 18 seconds what is his speed in meters per second
Vladimir [108]

Well, you would have to divide 150 metres by 18 seconds.

150/18 = 8 1/3 m/s OR 8.333 m/s

4 0
3 years ago
Name two properties that make solutions different from colloids.
Airida [17]
Tyndall effect or Brownian movement and Particles of colloidal solution are the two properties that make solutions different from colloids.
3 0
2 years ago
Read 2 more answers
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