When an object is placed 8 millimeters from the context of your mirror a clear image can be projected on the screen is 16 millimeters in front of the mirror. if the object has a height of 4 millimeters the height of the image

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

An object has a weight of 500 on earth what is the mass of this object

How many atoms of nitrogen are in the chemical formula ni(w on