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Lesechka [4]
3 years ago
8

60m27Co → 6027Co Predict the type of radioactive emission produced from the decay of metastable cobalt-60 to cobalt-60. Describe

this type of emission and its reaction to an electric field. A) During the radioactive decay, alpha particles are released. These positive particles are attracted to the negative plate in the electric field and represent a ground energy level. B) Beta particles are released during the radioactive decay. These negative particles are attracted to the positive plate in the electric field and represent an excited energy state. C) Radioactive gamma decay is produced by the reaction. This neutral electromagnetic radiation allows the isotope to return to its ground state and is not attracted to the electric field. D) Both types of radioactive emissions, particles and electromagnetic radiation, are produced during this decay. None of these are attracted to the electric field and both present an intermediate level. Eliminate
Physics
1 answer:
lara [203]3 years ago
4 0
Some one already asked this question and you can copy paste and google it but I believe it is c you may want to double check
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How much heat does it take to melt a 0.234 kg ice cube at its melting point?
Anarel [89]

Answer:

77922J

Explanation:

Thermal Energy used

= Energy used to change state from solid to liquid

= <em>m</em><em>l</em><em>f</em><em> </em> [Formula of latent heat of fusion]

= <em>(</em><em>0</em><em>.</em><em>2</em><em>3</em><em>4</em><em>)</em><em>(</em><em>3</em><em>.</em><em>3</em><em>3</em><em> </em><em>×</em><em> </em><em>1</em><em>0</em><em>^</em><em>5</em><em>)</em>

= <u>7</u><u>7</u><u>9</u><u>2</u><u>2</u><u> </u><u>J</u>

4 0
3 years ago
Why does it take a longer distance to stop a ping pong ball than a bowling ball with the same momentum?
konstantin123 [22]
I believe it would be due to the weight and/or friction.
3 0
3 years ago
a que velocidad en km/h corrio usain bolt en el capeonato mundial de berlin en 2009 para batir el record mundial de los 100 m pl
loris [4]

Answer:

v = 37.59 km/h

Explanation:

The question says, "how fast in km / h did usain bolt run at the berlin world championship in 2009 to break the world record for the 100m sprint in 9.58".

Distance, d = 100 m = 0.1 km

Time, t = 9.58 s = 0.00266 h

We need to find the speed of the Usain Bolt. We know that,

Speed = distance/time

So,

v=\dfrac{0.1}{0.00266}\\\\v=37.59\ km/h

So, the required speed is equal to 37.59 km/h.

3 0
3 years ago
A high-speed train travels 480 km from Paris to Grenoble, France, at an average speed of 180 km/h. How long will it take to reac
hichkok12 [17]
The time (t) it will take for the train to reach to Grenoble is the quotient when the distance (d) is divided by the speed (s). That is,
                                       t = d / s
Substituting the known values,
                                       t = 480 km / 180 km/h
                                      t = 2.667 h
Thus, it will take approximately 2.7 h to reach Grenoble. The answer is letter D. 
7 0
3 years ago
During a free fall Swati was accelerating at -9.8m/s2. After 120 seconds how far did she travel?
SIZIF [17.4K]

-70560, -9.8/2 = -4.9

120^2 = 14400.

Now you multiply 14400 * -4.9 = -70560m.

4 0
4 years ago
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