Suzie stands on a pedestal and touches the dome of a running van de graaf generator. in a few seconds she observes her hair standing on end. explain this observation.

a)
each hair was induced with a positive charge. each hair repels against its neighbor and stands up.

b)
each hair was induced with a positive charge. each hair is attracted to its neighbor and stands up.

c)
half of suzie's hairs were charged negative, and the other half charged positive. the different charged hairs repel each other and stand up.

d)
half of suzie's hairs were charged negative, and the other half charged positive. the different charged hairs attract to each other and stand up.

1. the materials manager for a billiard ball maker must periodically place orders for resin, one of the raw materials used in producing billiard balls. she knows that manufacturing uses resin at a rate of 50 kilograms each day, and that it costs $.04 per day to carry a kilogram of resin in inventory. she also knows that the order costs for resin are $100 per order, and that the lead time for delivery is four (4) days.2. at what point should resin be reordered? a. 0 kilograms remainingb. 50 kilograms remainingc. 200 kilograms remainingd. 400 kilograms remaininge. 500 kilograms remaining3. if order size was 1,000 kilograms of resin, what would be the length of an order cycle? a. 0.05 daysb. 4 daysc. 16 daysd. 20 dayse. 50 days4. if the order size was 1,000 kilograms of resin, what would be the average inventory level? a. 50 kilogramsb. 200 kilogramsc. 500 kilogramsd. 800 kilogramse. 1,000 kilograms5. if the order size was 1,000 kilograms of resin, what would be the daily total inventory costs, excluding the cost of the resin? a. $5b. $10c. $20d. $25e. $40