December 2020

More arrows Consider our archer from Exercise 18.a) How many bull’s-eyes do you expect her to get?b) With what standard deviation? c) If she keeps shooting arrows until she hits the bull’s-eye, how long do you expect it will take? Will precipitate occur when the following solutions are mixed? If so, write a balanced chemical […]

An adiabatic diffuser at the inlet of a jet engine increases the pressure of the air that enters the diffuser at 11 psia and 30°F to 20 psia. What will the air velocity at the diffuser exit be if the diffuser isentropic efficiency, defined as the ratio of the actual kinetic energy change to the

1. The price of ABCD is $25. You establish the following position: Short 1 ABCD 25 Call @ 2 If the delta of the call is 0.50, what would be the theoretical price of the option if ABCD increased by $1.00? a. $1.50 b. $2.50 c. $3.00 d. $4.00 e. $4.50 2. Which one of

In humans, one type of red-green colour blindness (n) is sex-linked and recessive. A) A woman who is a carrier marries a man with normal vision. What is the chance of having colour blind daughters? Colour-blind sons? B) A heterozygous woman and a colour-blind man marry. What is the chance of having colour-blind daughters? Colour-blind

A cube has 12 edges. A cube has pyramids cut from each corner by passing planes through the midpoints of the edges adjacent to each vertex of the original cube. Each pyramid is discarded and a new solid remains. How many edges would the new solid have?

A skier of mass 79 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 80 m up a 30° slope (assumed frictionless) at a constant speed of 2.6 m/s? (b) What power (expressed in hp) must a motor have to perform this task?

Describe how the muscular system works directly with the skeletal system to maintain homeostasis of the body. How do these systems directly impact the workings of other systems in the body? What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life cycle of sponges? 

One Planet Middlesbrough Action Plan The One Planet Living framework adopted by Middlesbrough Council and partners is built around ten principles of sustainability that relate to environmental, economic and social aims. It attempts to make gradual changes to how Middlesbrough can become more sustainable. The Mayor of Middlesbrough explains that “Sustainable living is vital for

Student Name: Student ID No: Unit Code: BSBLED802 – Lead Learning Strategy Implementation Report Assessment – Task 1 The people who hold key positions of authority in the organisation and their responsibilities. Locate the organisational policies and procedures that relate to consultation and communication. Identify the roles involved in supporting and encouraging input into the

 In the ground state of the helium atom, the electrons must have opposite spins. Why? The elasticity of demand for a firm’s product is –2.5 and its advertising elasticity of demand is 0.2. a. Determine the firm’s optimal advertising-to-sales ratio. b. If the firm’s revenues are $40,000, what is its profit-maximizing level of advertising?