How do sharks reduce drag? And what are the engineering applications? There are three types of drag present on the shark during locomotion. The first type of drag is known as frictional drag‚ which is the greatest element of drags in the shark. This is arises due to the friction created between the skin and the boundary layer and can be reduced with a condition that the boundary layer maintains a turbulent flow. The second type of drag is pressure drag‚ which causes by water deflecting off the moving
Free Fluid dynamics Aerodynamics
committed by criminals who should’ve never had access to a gun in the first place. In order to reduce gun violence we need to start by reforming legislation‚ improving the mental and physical health of citizens in need‚ efficient and effective background checks including how and what is reported‚ keeping track of what guns are sold‚ lost‚ or stolen and smart and effective enforcement of our gun laws.
Premium
HOW TO REDUCE ACCIDENTS ON OUR ROAD? Time to time‚ half a million of Malaysians died because of road accidents. Malaysia is the country that has the highest accident rate in the world. The rise in the number of road accidents is indeed worrying. Even the road safety campaigns aimed at reducing road accidents have met with little success. Only when there is a change in the mindsets of road users can we expect a decrease in the number of road accidents. Even though we cannot prevent the accidents
Free Tram accident Safety Road transport
associate an individual’s external appearance with personality traits that can be tremendously inaccurate. To reduce problems of racial prejudice in society individuals need to alter their cognitive strategies that are causing them to briefly categorize people in particularly negative ways. Furthermore‚ children need to be taught as well about these negative cognitive strategies and how to avoid categorizing people. Witter‚ Hammer and Dunn express in in the textbook Adjust‚ that stereotypes are
Premium Stereotype Discrimination Sociology
How Can We Reduce the Incidents of Illegal Passing of Stopped School Buses? Patsy Hudson Mount Olive College How Can We Reduce the Incidents of Illegal Passing of Stopped School Buses? Safety at the school bus stop is an issue that is widely discussed with the beginning of each new school year yet it’s probably one of the most neglected topics as the school year progresses. Most of us as humans crave routine to have our day run smoothly and there is nothing more routine than the route a
Premium School bus Bus
a significant problem. High turnover not only causes the hotels lose their good employees and makes the level of service declined‚ but also increases the costs and expenses of recruitment and training. So‚ those hotels should take some measures to reduce employee turnover. Through some information‚ there are four main reasons: salary and welfare‚ personal development‚ sense of achievement‚ and interpersonal relationship. Clark and Estes (2002) suggest that employee turnover may not be purely a function
Premium Barack Obama Health insurance Health economics
break the cycle of poverty is to raise the minimum wage. This would reduce child poverty in America and give families more financial support. Also‚ when kids have financial support‚ studies show that they will have less behavioral problems. Making better minimum wages would reduce child poverty in America. According to the article‚ "How to end child poverty in America"‚ "...boosting the tipped worker wage to $7.07‚ could reduce U.S. child poverty by 4%…"() This shows that adjusting the wages would
Premium Minimum wage Poverty United States
How to Reduce the Barriers to Effective Communication Noise Barriers – To overcome the noise barrier‚ you must discover the source of the interference. The noise barrier can’t always be overcome but the awareness of its existence by the sender of the message can help improve the communication flow. When someone is speaking‚ possibly the worst thing that could be in the way is background noise. For example when you are in a busy office space‚ there is a high chance that there will be noise in the
Premium Communication Nonviolent Communication Sound
Reducing U.S. Poverty Rates: How Organized Labor Can Help Intro The current wealth inequality and continuing rise in poverty rates within the United States has troubling implications for a country that prides itself on being the “land of opportunity.” In recent years‚ wealth inequality has soared‚ reaching historic heights that are higher than any other developed Western country and rival those on the eve of The Great Depression (Fischer et al. 1996‚ Saez 2008). The top one percent of Americans
Premium United States Economic inequality Poverty
How to Reduce Math Test Anxiety (Authors Logic) http://www.mathgoodies.com/articles/how-to-reduce-math-test-anxiety.html Author: Ryan Rivera has been a proponent of teaching anti-anxiety strategies to youth and adults‚ and has additional information about anxiety at calmclinic.com. It’s not unusual for a child to struggle with math during their early school years. As a child’s brain develops‚ they start to learn how to solve logic problems and apply analytical reasoning – a development that
Premium Mathematics