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iogann1982 [59]

4 years ago

12

Several types of radiation may be emitted during radioactive decay. The equation represents

2 answers:

vovangra [49]4 years ago

7 0

Answer:

The equation represents the origin of a beta particle from the nucleus of an atom. Beta particles are fast moving electrons; they have a negative charge and originate when a neutron decomposes into a protons, which remains behind in the nucleus, and an electron.

Explanation:

Fittoniya [83]4 years ago

5 0

I think the answer is B

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Earth's _____ cycle moves water from one reservoir to another. This cycling of materials is one of Earth's dynamic processes.

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A spring hangs from the ceiling with an unstretched length of x 0 = 0.35 m . A m 1 = 6.3 kg block is hung from the spring, causi

Jlenok [28]

Answer:

x₂=0.44m

Explanation:

First, we calculate the length the spring is stretch when the first block is hung from it:

$\Delta x_1=0.50m-0.35m=0.15m$

Now, since the stretched spring is in equilibrium, we have that the spring restoring force must be equal to the weight of the block:

$k\Delta x_1=m_1g$

Solving for the spring constant k, we get:

$k=\frac{m_1g}{\Delta x_1}\\\\k=\frac{(6.3kg)(9.8m/s^{2})}{0.15m}=410\frac{N}{m}$

Next, we use the same relationship, but for the second block, to find the value of the stretched length:

$k\Delta x_2=m_2g\\\\\Delta x_2=\frac{m_2g}{k}\\\\\implies \Delta x_2=\frac{(3.7kg)(9.8m/s^{2})}{410N/m}=0.088m$

Finally, we sum this to the unstretched length to obtain the length of the spring:

$x_2=0.35m+0.088m=0.44m$

In words, the length of the spring when the second block is hung from it, is 0.44m.

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4 years ago