Three resistance 4,4 and 6 ohms are joined in the series. the total resistance will be

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Which type of reaction is shown in this energy diagram ?

During the past 150 years in the united states, how did energy consumption compare to population growth