Weighing 15,000 N is parked on a 10 m2 hydraulic lift platform. What is the area of a small piston if a 1,100 N nozzle is used to lift the vehicle?

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer