(B) Two vectors P and Q of magnitude 5 and 3 units respectively are inclined at an
angle of 30° to each other. Calculate the
component of the resultant:
i) in the direction of Q
ii) perpendicular to the direction of Q​

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.