A) Calcular la energía cinética, potencial y mecánica de un cuerpo de 90 N que se encuentra a 95 metros del suelo a.1) al comienzo de la caída
a.2) a 35 metros del suelo
a.3) al llegar al suelo

b) Un alpinista de 75 kg trepa 400 metros por hora en ascensión vertical ¿Que energía potencial gravitatoria gana en una ascensión de 2 horas?

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force