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kow [346]
4 years ago
8

What element has 81 protons in the nuclei of atoms

Physics
1 answer:
Margarita [4]4 years ago
3 0
<span>Thallium. 81 Protons, post-transitional metal that is not found in nature. </span>
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A force of 5 n produces an acceleration of 8m/s2 in mass m1 and an acceleration of 24 m/s2 in mass m2 .what acceleration would i
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Acceleration of the both masses tied together= 6m/s²

Explanation:

The force is given by F= ma

so 5= m1 (8)

m1=0.625 Kg

for m2

5=m2 (24)

m2=0.208 kg

now total mass= m1+m2=0.625+0.208

Total mass=M=0.833 Kg

now F= ma

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a= 5/0.833

a=6m/s²

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