It can dissolve many substances because 1. Polarity of water molecule. 2. Exceptional hydrogen bonding ability (Not in list)
Answer:
With air resistance, acceleration throughout a fall gets less than gravity (g) because air resistance affects the movement of the falling object by slowing it down. How much it slows the object down depends on the surface area of the object and its speed
Explanation:
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Answer:
58.9 N [W24.8°N]
Explanation:
The vectors are at right angles, so the magnitude of their sum is ...
√(38² +45²) ≈ 58.9 . . . . newtons
The angle Fc makes with Fa can be found using the arctangent:
angle between Fa and Fc = arctan(45/38) ≈ 49.8°
The direction required for the sum of the vectors to be zero is the opposite of [E(49.8° -25°)S], so is [W24.8°N]
The vector that makes the sum zero is 58.9 N [W24.8°N].
<span><u>Answer </u>
Metals are better conductors that metalloids and non-metals.
<u>Explanations
</u>
Metals have free electrons that facilitate the conductivity of heat. When a metal is heated at one end the electrons at that end gain kinetic energy and a carry heat energy from one end to the other.
Metalloids on the other hand lies between a metal and a non-metal. They would conduct heat but not as effective as metals.
For non-metal, they do not have free electron and so they do not conduct heat at all. </span><span>
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