Answer:
Option B
Explanation:
The reliability of an experiment can be increased by conducting experiment sufficient number of times keeping other things constant. Hence, the 10 p coin needs to be flipped again to measure reliability for more than one times.
Hence, option B is correct
Answer:
In a truss bridge, two long - usually straight members known as chords - form the top and bottom; they are connected by a web of vertical posts and diagonals. The bridge is supported at the ends by abutments and sometimes in the middle by piers.
Explanation:
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Answer:
the net force on the object is 6 N.
Explanation:
Given;
force applied to the right on the object, 
= 16 N
force applied to the left of the object, 
= 16 N
force applied downward on the object, 
= 6 N
The net horizontal force on the object = 
The net vertical force on the object = 
The net force on the object is calculated as;
Therefore, the net force on the object is 6 N.
Answer:
makes a transition from a high to a lower energy state
Explanation:
The emission spectrum is the spectrum of electromagnetic radiation emitted due to the transition from a state of high energy to a state of lower energy made by an electron in the atoms of the chemical element or compound. The emitted photons have an energy equal to the difference in energy between the two states.
