All these people perform similar duties due to their similar profession.
All these People are the astronomers so they used various instruments that are present at their time in order to study the heavenly bodies such as stars and planets present in the sky. They also analyze their findings with the help of researches and experiments. They also develop theories that are based on personal observations and tested the theories of other astronomers in order to verify their theories.
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Answer:
a = 17.81 m/s²
Explanation:
Given that,
Shaun and his friend give Shirley a big shove all at once, applying a force of F=980 N
Let us assume that the mass of Shaun and his friend is 55 kg.
Let a is the acceleration during this shove.
The second law of motion is given by :
F = ma
So, the acceleration of Shirley is 17.81 m/s².
The numbers refer to the mass of each carbon atom.
Since the atoms are all Carbon, the number of protons in each atom is always the same ... if the number of protons changed, then you'd have an atom of something else, not Carbon. The only way the atomic mass can change and still be an atom of the same element is by adding or removing NEUTRONS.
Carbon-14 has two more neutrons in the nucleus of its atoms than Carbon-12 has.
A wedge is a simple machine that is used to cut or split an object.
Hope I helped!
Answer: correct option is C
both Technicians A and B are right
Explanation:
Test cycles specify the specific conditions under which the engine or vehicle is operated during the emission test. The vent valve that is not able to close can cause the system to fail the on-board test. Also, a leaking gas cap can cause a failure of the EVAP test.
There are many different test cycles issued by various national and international governments and working groups