How much would it cost to operate five incandescent light bulbs for the months of April and May, collectively, given that each bulb is one hundred and fifty Watts, electricity for home use is 0.3AED per kilowatt-hour, and that the light s will be on for three hours per day during this two month period. please i need an answer fast or my teacher will kill me

In which of the following is positive work done by a person on a suitcase

Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.

An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km,a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?