- 3. all changed objects exert n force that can cause other charges to move. What is the force that off called? What else can it do? o
- c) An article in the Journal of Heat Transfer described a new method of measuring the thermal conductivity of Armco iron.Using a temperature of 100^circ F and a power input of 550 wats, the following 10 measurements of thermal conductivity were obtained: 41.6,41.,42.3,419,41.9,42.2,417,42.3,41.8, and 42.0 Using the above data,calculate: (i) Point estimate of the mean thermal conductivity (2 marks) (ii) Standard deviation of the mean thermal conductivity (3 marks) (iii) The standard error of the point estimate obtained in part (i)above (2 marks)
- If the air or gas inside a balloon is lighter than the air around it, what will happen to the balloon? It will sink It will float It will burst It will zip around the room.
- -Unearthing Mars, Student Answer Packet? 2. Describe how the location and motions of the planets in our solar system are governed by each of Kepler's Three Laws. __ Law 2:underline ( ) __ __
- Order the following from greatest mass to smallest mass. square milligram square kilogram square gram square centigram
