en la prensa hidraulica de la figura el piston izquierdo tiene un area 8m2 y el piston peque;o tiene un area de 8.0 m2 si el auto tiene el piston izquierdo pesa 80000 n la fueza que se debe ejercer en el pequeno es de

The ability to make things happen is also called a. heat b. force c. matter d. energy

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s

Which type of energy is transferred by convection currents?