A stone fell from a height of 50m above the ground if the acceleration due to gravity is l0m/s2. find the velocity in which it hits the ground and the time taken by the stone to reach the ground.

If a simple machine reduces the strength of a force, what must be increased?

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "