Suppose a scientist was able to construct a barometer with a liquid being twice denser than mercury, then how high would the liquid raise
at standard pressure?​

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

What ia the energy of an object because of its potential and kinetic energies