One billiard ball is shot east at 1.9m/s . A second, identical billiard ball is shot west at 0.90m/s . The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90? and sending it north at 1.31m/s .

1.)What is the speed of the first ball after the collision?

2.)What is the direction of the first ball after the collision? Give the direction as an angle south of east.

One main consequence of the Civil War was the abolition of slavery. For the first time, some four million blacks living in the South faced life as freed people. Regarding the emancipation of slaves: What tensions and conflicts emerged between the ideal that all human beings are created equal and the previous existence of slavery and ongoing racial prejudice?

Using evidence provide at least two distinct consequences of this tension and conflic.

QUESTION 1

“A bread price subsidy to benefit the poor is economically inefficient”. (a) Analyse this statement using a diagram. (Assume constant production costs.) (b) Analyse with diagrams which other grants or transfers the South African government can use to relieve the plight of the unemployed, especially during the current coronavirus, COVID-19, situation? (c) With the aid of a diagram, show the effect of an income transfer on work effort also.

QUESTION 1
A potential vaccine for the coronavirus, COVID-19, can be classified as a public good. (a) Debate this in terms of health care provision in South Africa and use a table to compare the key characteristics of pure public good and private good. (b) Illustrate the equilibrium of a pure public good using a demand and supply diagram. (c) Why would the private sector not provide public goods at the equilibrium price and quantity?

1. Why has the agreement been questioned both in the EU and South Korea?

2. Why are Japanese businessmen worried about the agreement? Why are Japanese policy-makers trying to sign a similar deal with the EU?

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.cebre.cz/dokums_raw/2010_10_14_cefic_note_on_eu_s_korea_fta.pdf&ved=2ahUKEwiI-9vZ_o3qAhUl-2EKHT3QD-8QFjADegQIBRAB&usg=AOvVaw2nGSd8PDOgXwZDT0bLYnHp&cshid=1592573733996

There are some 200 economic integration agreements in effect around the world already, far more than even a few years ago. Virtually every country is now party to one or more free trade agreements. Differentiate among the five levels of economic and political integration for regional trading blocs. Why do certain regional integration agreements, like the South Asian Association for Regional Cooperation, fail?

Your car travels west at an average speed of x kilometers per hour and your friend’s car travels south at an average speed of Y Kilometers per hour. Write a C++ code that prompts the user to enter the average speed of your car and your friend’s car and the elapsed time in hours and minutes since the 2 cars started their movement, and output the shortest distance between the 2 cars.

A 712 N student stands in the middle of a frozen pond having a radius of 5.9 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.2 kg physics textbook horizontally towards the north shore at a speed of 6.0 m/s. How long does it take him to reach the south shore?