A hot-air balloon plus cargo has a mass of 1890 kg and a

College Physics 1
For a fixed initial speed, the range of a projectile is determined by the angle at which it is fired. For all but the maximum, there are two angles that give the same range. Considering factors that might affect the ability of an archer to hit a target, such as wind, explain why the smaller angle (cl

Myers' Psychology for AP 2
Which of the following is an example of conformity? a. Malik has had a series of dogs over the years. Each has learned to curl up at his feet when he was watching television. b. Renee begins to buy the same brand of sweatshirt that most of the kids in her school are wearing. c. Jonah makes sure to ar

Physical Chemistry 8
The orthorhombic unit cell of NiSO4 has the dimensions a = 634 pm, b = 784 pm, and c = 516 pm, and the density of the solid is estimated as 3.9 g cm3. Determine the number of formula units per unit cell and calculate a more precise value of the density.

Statistical Techniques in Business and Economics 15
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60,000 miles and the standard deviation 2,000 miles. a.

Biology: Concepts and Applications 10
In plants, photosynthetic eukaryotes, and cyanobacteria, the light-dependent reactions proceed in/at the _____ . a. thylakoid membrane b. plasma membrane c. stroma d. cytoplasm

Urban Economics 8
Disney Transit Consider the chapter-opening quote. Suppose your citys transportation manager hires the team of workers that designed the most popular Disneyland rides and asks them to redesign the citys transit system. The citys objective is to increase ridership while eliminating the transit subsidy

Principles of Economics 9
From one year to the next, inflation falls from 5 to 4 percent, while unemployment falls from 7 to 6 percent. Which of the following events could be responsible for this change? a. The central bank increases the growth rate of the money supply. b. The government cuts spending and raises taxes to redu

College Physics: Explore and Apply 2
The mass of a spacecraft is about 480 kg. An engine designed to increase the speed of the spacecraft while in outer space provides 0.09-N thrust at maximum power. By how much does the engine cause the crafts speed to change in 1 week of running at maximum power? Describe any assumptions you made.