5- A 2500g object is pushed with 55N for 12m in 11s, there was a force of friction of 30N. a) Calculate the work done.
b) Calculate the acceleration
c) Calculate the average speed

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

How do you tell if someone actually cares about you? and just say they do?