When a bar magnet is thrust at the same speed into a coil having twice the number of loops, the induced voltage is the same, no different. half. twice as much. four times as much. none of the above

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

The heliocentric and the geocentric models of the solar system included these central principles

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?