Answer : The motion of the object is, non-uniform
Explanation :
Uniform motion : It is defined as the movement of an object along a straight line with constant speed. It travels equal distances in equal time interval.
The average speed of an object is similar to the actual speed of an object. The distance-time graph shows a straight line.
Non-uniform motion : It is defined as the movement of an object along a straight line with variable speed. It travels unequal distances in equal time interval.
The average speed of an object is different to the actual speed of an object. The distance-time graph shows a curved line.
The given graph B is a non-uniform motion graph.
Hence, the motion of the object is, non-uniform
Answer:
Ionic compound
Explanation:
Barium Chloride is an ionic compound of barium and chlorine.
Barium is a metal with two valence electrons while chlorine is a non metal with seven valence electrons.
Barium will require two atoms of chlorine to form Barium chloride.
The reaction can be demonsated in the equation below.
Ba2+ + Cl- -----------> BaCl2
In this type of bond, Barium uses its 2 valence electrons to form an ionic bond with 7 valence electrons of chlorine. Chlorine will require its own two atoms to form this type of bond with Barium.
Cl -Ba-Cl = BaCl2
Answer:
For the calculation of I = Erms2 / (cμ0), I get
I = (91.5 / √2)2 / [(2.99 x 108) (1.26 x 10-6)] = 11.07 W/m2
<u>
Intensity = 11.07 w/m^2</u>
t = 17.1 s
A = 0.0229 m2
U = energy = IAt = (11.07) (0.0229) (17.1) J = 4.34 J
<u>Energy = 4.34 Joules</u>
Answer:
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Explanation:
It is TRUE that macro shots of flowers will typically have a
shallow depth of field.
Macro photography<span> (or photomacrography or macrography, and sometimes macrophotography), is extreme close-up </span>photography, usually of very small subjects, in which the size of the subject in the photograph is greater than life size (though macrophotography technically refers to the art of making very largephotographs<span>).</span>
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