Answer:
metal and non-metal
Explanation:
Ionic bonds are formed when a metal loses electrons and a non-metal gains said electrons.
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The correct answer is "Some substances must be dissolved in water before they can be used".
They traveling at -0.37/ms^
The correct answer is C. Velocity is a vector and requires a direction.
Explanation:
In physics both speed and velocity are used to study the motion of a body; however, they are slightly different. In the case of speed, this describes the rate of change in position based on distance and time, because of this, speed is based on a magnitude or quantity. On the other hand, velocity is a vector because it does not only includes a change of position but the direction of motion usually based on a specific location reference.
Considering this, it can be concluded the difference between speed and velocity is that "velocity is a vector and requires a direction" because velocity includes both the distance and time (speed) along with the direction while speed focuses only on time and distance.
Answer:
Explanation:When an object is allowed to fall, the concentrated gravitational potential energy is converted into the kinetic energy of motion. If there is no air resistance, or other restrictions, all of the potential energy will be converted to kinetic energy when the object has fallen the distance H.
