Answer:2.67kgm/s cube
Explanation: density = mass ÷ volume = 400 ÷ 150
Answer:
The angle of bend = 20°
Explanation:
Since the question describes that the angle marking is similar to the metre stick marking.
The length of the object when it begins at 0 meters on the meter rule
= 1.2 m
The length of the meter stick when it begins at 0.2 m on the meter rule
= 1.0 m
The difference in length of the object based on the markings
= 1.2 - 1.0 = 0.2 m
If the green marking is on 223°, i.e. θ₂ = 223°
and the straight marking is on 253°, i.e. θ₁ = 253°
The angle of bend = θ₁ - θ₂
The angle of bend = 253° - 223°
The angle of bend = 20°
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Potassium belongs to group IA of the elements. This means that it will give up one of its electrons to form the cation K+. Opposite to that is bromine in which it accepts one electrons to form the anion Br-. The binding of these elements will form KBr and is formed from transfer of electron from one element to the other. This is the mechanism of ionic bond formation.
