A certain alarm clock ticks four times each second, with each tick representing half a period. The balance wheel consists of a thin rim with radius 0.58cm , connected to the balance staff by thin spokes of negligible mass. The total mass of the balance wheel is 0.85g .Part AWhat is the moment of inertia of the balance wheel about its shaft?Express your answer using two significant figures. Part BWhat is the torsion constant of the hairspring?Express your answer using two significant figures.

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation