No. A substance floats or sinks in another substance because of
the densities of both of them.
If the density of the substance is more than the density of the other
one, it will sink. If less than the density of the other one, it will float.
Answer:

Explanation:
The high reached by a proyectile in an uniformly accelerated motion is given by:

The time that the rocket spends in the air is obtained for y = 0, since this is the time that the rocket travels before touching the ground. Recall that
. Solving for t:

<span>potential energy because it has the ability to do work
*A*</span>
Answer:
Kepler's Third Law
T = 2 π r 3 G M E . T = 2 π r 3 G M E . For an ellipse, recall that the semi-major axis is one-half the sum of the perihelion and the aphelion. For a circular orbit, the semi-major axis (a) is the same as the radius for the orbit.