The direction of a vector multiplied by a scalar is only affected if the scalar is negative, in which case the vector will now be in the opposite direction. If the scalar is positive, the vector will only change in magnitude
Speed has the dimensions of distance divided by time. The SI unit of speed is themetre<span> per second, but the most common unit of speed in everyday usage is the kilometre per </span>hour<span> or, in the US and the UK, miles per </span>hour<span>. For air and marine travel the knot is commonly used.</span>
The density of the body and the height or the depth of the body since the formula of liquid pressure is density x height gravity
Answer:
s=vt2 just simplify all into metric units first
not too sure on this one maybe to locate objects under water, to diagnose problems, to treat medical ailments
