Match the half life and time information to the percentage of radioactive isotope left.

Answer: Nuclear energy

Explanation:

Nuclear energy (also called atomic energy) is the energy found in the nucleus of an atom.

This energy is released spontaneously (within the stars and the sun) or artificially (in nuclear reactors built by humans) in nuclear reactions, which are divided into two types:

-Fission (separation of the components of the atom nucleous)

-Fusion (joining two light nuclei to form a heavier nucleous)

In the case of the Sun, the nuclear reactions that occur are due fusion, in which the hydrogen is converted into helium.

Answer:

total time is= 9.64 s

Explanation:

average  velocity = 1/2(vinitial + vfinal)

average  velocity = 5.3m/s,

and therefore it took a time of

time = distance/velocity

       = 11.9m/5.3m/s

        = 2.24 s

he ran the remaining 88.1 m at a speed of 11.9 m/s, or in a time of 7.40s

his total time is=  2.24s+ 7.40s = 9.64 sec

b)

for constant acceleration stage, the distance is given as

             = 5.3t1

for constant speed

we know that, so

100 - 5.3t1  = 110.24 - 10.6 t1

solving for t1

t1 = 1.93 sec

therefore

Answer:

B. The "Learner" was working with Milgram.

Explanation:

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