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Speed is a scalar quantity, meaning it gives us information for only the magnitude, how large a quantity is. Velocity is a vector quantiy, and this means it gives us both magnitude and direction. Both speed ...

Imagine a water ballon which is slowly filling up with water. The ballon is fine and intact when there's not much water in it but what happens when we fill it so much that it can no long hold all the water? ...

The acceleration, in ms - 2 , is defined as the rate of change of velocity, per unit of time. To calculate the trains acceleration, we use the equation Acceleration= Change in velocity/ Time Taken. For this ...

Black - Heat radiation will be transferred better as more radiation will be absorbed due to the colour Fins - Higher surface area therefore a quicker rate of heat transfer

Both evaporation and boiling are a process where a liquid change state into a gas. Boiling happens to all of a liquid at once and occurs only when a liquid is heated to one specific temperature, it's boiling...