A fox is chasing a bunny. The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the bunny changes its velocity to west at 12 m/s and escapes. What was the bunny's average acceleration (magnitude and direction) during this half-...
October 10, 2012
3 N2H4(g)+N2O4(g)¨ 4 N2(g) + 4H2O(g) + 2 H2(g) ∆H= -1310 kJ (-312 kcal) How much energy is produced per mole of hydrazine burned? a. 13.6 kJ (3.25kcal) b. 40.9 kJ (9.75kcal) c. 437 kJ (104kcal) d. 1310 kJ (312 kcal)
August 13, 2012
Introduction to ljfe sciences BIO 130
Artificial sweeteners, colorants, oils, and medications are manufactured after they are accepted by the U.S. FDA. In order to have such acceptance for public use, companies have to complete exhaustive testing to demonstrate the safety of their products. Outline the testing ...
September 26, 2011
1. A road sign says that no vehicles over 7.5 tonnes may use a bridge. My lorry weighs 4 tonnes, and I have 3.25 tonnes of presents and 4.75 of turkeys in the back of my lorry. How much am I over the bridge limit by? a)3.5 tonnes b)4.5 tonnes c)2.5 tonnes d) None - I should ...
December 22, 2010
Please, please help me! Make a graph in Excel and explain the following: Holding all other things constant, what would happen to the price of pineapples if the firm increase the available supply. 2. Conversely, what would happen if supply is reduce. Aside from changin the ...
October 16, 2009
Which one of following sentences uses pronouns correctly? A: Please give Paul and I your undivided attention. B: jacob and me are going to set a meeting date. C: Carol told Sylvia and he the good news. D: Send the package to Tanya and him.
August 7, 2008