PHYSICS HIGH SCHOOL

According to “The Cyclone,” who invented the Fourth of July?A. Pecos Bill
B. Alexander Hamilton
C. Sam Houston
D. George Washington

Answers

Answer 1
Answer: A. Pecos Bill 

According to “The Cyclone,” who invented the Fourth of July is PECOS BILL
NOT:
B. Alexander Hamilton 
C. Sam Houston 
D. George Washington

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Within the metric system all units are based on the number?

Answers

The metric system is based upon powers of ten (10), which is convenient because: A measurement in the metric system that is represented by a rational number remains a rational number after metric unit conversion.

Answer:

10

Explanation:

True of false efficiency compared the output work to the output force

Answers

The statement about "efficiency compared the output work to the output force" is false. Efficiency can be compared from the input work to the output work.

Radium-226 is unstable. What is the process that allows the nucleus of radium-226 to become more stable? Question 14 options: A. ionic bonding B. radioactive decay C. hydrogen bonding D. covalent bonding E. nuclear fusion

Answers

Answer: The correct answer is Option B.

Explanation:

We are given a radioisotope which is unstable in nature. For this isotope to become stable, it has to undergo radioactive decay. There are various processes by which a radioisotope may decay:

1. Alpha decay: In this decay process, a heavier nuclei decays into lighter nuclei. The particle released is alpha particle.

_Z^A\textrm{X}\rightarrow _(Z-2)^(A-4)\textrm{Y}+_2^4\alpha

2) Gamma decay: In this decay process, an unstable nuclei gives excess energy by a process of spontaneous electromagnetic process. This decay process releases \gamma -radiations.

_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma

3) Beta-plus decay: In this decay process, a neutron gats converted into a proton and an electron. The particle released is \beta-particle

_Z^A\textrm{X}\rightarrow _(Z+1)^A\textrm{Y}+_0^(-1)\beta

4) Beta-minus decay: In this decay process, a proton gets converted into a neutron and an electron neutrino which is known as a positron particle. This is also known as \beta ^+-decay.

_Z^A\textrm{X}\rightarrow _(Z-1)^A\textrm{Y}+_(+1)^0e

Radium-226 nuclei undergoes alpha decay to form Radon-222 nuclei by releasing alpha-particle.

_(88)^(226)\textrm{Ra}\rightarrow _(86)^(222)\textrm{Rn}+_2^4\alpha

Hence, the answer is Option B.

the correct answer for this question is radio active decay or option b ! press brainliest...

how are the direction of an object's acceleration and the direction of the same object's change in velocity related

Answers

The question is a lot like asking "How is your age related to
how long you have lived ?"

Those directions must be the same, because "acceleration"
means "change in velocity".

When electromagnetic radiation is arranged to wavelength and frequency, it forms theA. electromagnetic spectrum.
B. ecliptic plane.
C. multiple-spectrum vividness.
D. multiple-vivid spectrum.

Answers

a. electronic spectrum

A coil is connected to a 100v d.c. supply and takes a current of 10A. Calculate the value of the resistance of the coil

Answers

Resistance = (voltage) divided by (current)

Resistance = (100 volts) / (10 Amperes) = 10 ohms
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