I will mark brainiest answerer pls A certain machine has an efficiency of 80% .Is the load moves a distance is 2m as the effort moves 8m, how large a force is required to lift a load of 320N?​

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a. the kinetic energy increases. b.the kinetic energy decreases. c.the kinetic energy remains the same. d.the kinetic energy is always zero.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity