Investigating the Bounce of a Tennis Ball after It Has Been Dropped From Certain Height Aim To investigate how high a tennis ball will bounce back after it has been dropped from a certain height How a Tennis Ball Bounces As the ball is elevated the ball gains gravitational potential energy equal to the ball's weight multiplied by its change in height1. When the ball is dropped, the height decreases, and therefore so does the gravitational potential energy. At the same time, the velocity
Introduction Suppose a ball is released from a distance and rolls down an inclined plane, as shown in figure 1. At the bottom of the inclined plane, the ball strikes a level tabletop and bounces away. The inclined plane may be rotated to give a steeper angle, which will affect the time of travel across the tabletop. The ball’s horizontal component of velocity is (Walding, Rapkins and Rossiter, 2004, pg. 62): v_x = v cos θ Figure 1: Experiment set up. Red indicates acting forces, green indicates
like to present and explain some vocabulary concept and words. A collision, transfers momentum or kinetic energy from one object to another object. There are two types of collisions, elastic collision and inelastic collision. An elastic collision is a collision that occurs when two objects bounce apart when they collide; the total kinetic energy in the system is the same before and after the collision. For example, elastic collision occurs when equally massive balls move in the same direction; in
energy behaves a bit differently depending on the type of collision: elastic or inelastic. In an elastic collision, kinetic energy is always conserved. Nearly all of the kinetic energy is transferred from the first object to the second. Thus, when two cars collide, all the kinetic energy would be conserved; no energy would be lost. The objects in an elastic collision “bounce” apart when they collide. The only time that an elastic collision occurs in an automobile accident is when the vehicles collide
the floor in a perfectly elastic collision, Mechanical Energy for the system would be conserved (1). However, the collision is not completely elastic and the dribbler pushes the ball with an initial force to ensure that it returns to his hand. To simplify the process I will first consider a situation in which the ball is allowed to fall freely from a height of 1 meter and has a perfectly elastic collision with the floor. After that I will take the true nature of the collision with the floor and the
purposes we can just look at the following equation which relates kinetic energy with mass and velocity of an object. K = ½mv2 where K = kinetic energy When you strike another ball with the cue ball it is almost a perfect elastic collision. An elastic collision is one in which total kinetic energy as well as total momentum are conserved within the system. This can be shown by the two basic equations; Conservation of Kinetic Energy: ½m1v1i2 + ½m2v2i2 = ½m1v1f2 + ½m2v2f2 Conservation
It's Basic Physics When looking at a collision between a baseball bat and ball, three things always apply: Conservation of linear momentum- The linear momentum of a particle of mass, m, moving with a velocity, v, is defined to be the product of the mass and velocity: p=mv Elastic collision- An elastic collision between two objects is one in which total kinetic energy (as well as total momentum) is the same before and after the collision. Conservation of energy- Energy can never
uranium-235 is easily fissionable. The probability that a fission neutron with an initial energy of about 1 MeV will induce fission is rather low, but can be increased by a factor of hundreds when the neutron is slowed down through a series of elastic collisions with light nuclei such as hydrogen, deuterium, or carbon. This fact is the basis for the design of practical energy-producing fission reactors. In December 1942 at the University of Chicago, the Italian physicist Enrico Fermi succeeded in producing
aspect of the game, from dribbling, passing, and shooting, to things as simple as setting a screen. First we should take a look at the elements of dribbling. Dribbling is all based on conservation of energy and the two different types of collisions, elastic and inelastic. The more air pressure a basketball has inside it, the less its surface will bend or deform during a bounce, and the more its original energy will be stored in the compressed air inside (Bill Willis, 2001). The reason for this
general catagories which are collisions and spin or rotation. Here the focus will be on collisions between the balls. The spin can have a significant effect on the motion of the ball, but due to time constraints and complexity of the science of it it will not be addressed to much detail. "An elastic collision between two objects is one in which the total kinetic energy (as well as total momentum) of the system is the same before and after the collision." (Physics for Scientists and
as shown above. • Or, if there are clips on your hanger, clip the shirt on the shoulders. To Fold Socks: • Place one sock on top of the other. • Grab three of the top layers of elastic with one thumb, while holding one layer with the other. • Roll your thumbs away from each other until the elastic on the sock is fully turned inside out. To Fold Underwear: • Fold the two sides of the garmet together until they meet. • Fold over once more if necessary. Folding laundry is an
88.7 milliliter dixie cups, 50 milliliters of red colored water and a freezer holding the temperature of a negative twenty degrees Celsius. In addition I used a plastic bowl with the dimension of 18 by18 millimeters. And finally I had a piece of elastic string. The procedure for my experiment was not too difficult it just took quite a bit of time. I started with a paper towel, an 18 by 18-millimeter bowl and a rubber band. I also had twelve 88.7-milliliter dixie cups filled with 50 milliliters
The term globalisation is a particularly elastic concept. Not only does it embrace a wide range of ‘things’, it also straddles the realms of ‘fact’ and ‘value’ of ‘idea’ and ‘reality’, thus to define the word globalisation requires an amalgamation of both moral and material values which may include and encompass events as dynamic as economic, political and social. At its simplest globalisation has tended to denote the idea that societies are becoming increasingly affected by events of other societies
Federalism, by definition, is the division of government authority between at least two levels of government. In the United States, authority is divided between the state and national government. “Advocates of a strong federal system believe that the state and local governments do not have the sophistication to deal with the major problems facing the country” (Encarta.com). Even before the Constitution was ratified, strong argument were
Transport in Mammals A recurring theme in biological systems is the surface area to volume ratio. All cells require nutrients and most require oxygen as well. Wastes also need to be removed. With a small organism this demand can be met by simple diffusion over the body surface but larger or very active organisms need a transport system with a pump to ensure that the supply meets the demand of all cells, even those deep within the body. In mammals, the pump is
exactly fit the data. A non-probabilistic analogue of the confirmation condition above that I offer avoids the 'old evidence problem, which has been a headache for classical Bayesianism. Idealizations and approximations like point-masses, perfectly elastic springs, parallel conductors crossing at infinity, assumptions of linearity, of "negligible" masses, of perfectly spherical shapes, are commonplace in science. Use of such simplifying assumptions as catalysts in the process of deriving testable predictions
Earthquake Design - A Conceptual Review 2 4. Earthquake Resisting Performance Expectations 3 5. Key Material Parameters for Effective Earthquake Resistant Design 3 6. Earthquake Design Level Ground Motion 4 6.1. Elastic Response Spectra 4 6.2. Relative Seismicity 5 6.3. Soil amplification 6 7. Derivation of Ductile Design Response Spectra 7 8. Analysis and Earthquake Resistant Design Principles 8 8.1. The Basic Principles of
cardiologist is often able to treat coronary disease before it causes an MI. – http://myweb.com/contents/dmk_article396168 Coronary Artery Disease Healthy arteries are flexible, strong, and elastic. Their inner layer is smooth and blood flows freely. As you get older, your arteries become thicker, less elastic, and deposits build in them. This leads to a general hardening of the arteries, which is also called atherosclerosis. Atherosclerosis or arteriosclerosis is the main cause of coronary artery
Price elasticity of demand is defined as how demand changes as a result of a change in price. It can be said that if a reduction in price leads to an increase in demand then demand is relatively elastic. Elasticity is usually negative. There is an alternative scenario where demand will increase as price does so too. This happens only in the case of Giffen goods, where elasticity is positive. The formula for price elasticity of demand is: Percentage Change in Quantity Demanded Percentage Change
Nike is a huge supplier if athletic shoes for the world these days. Philip H. Knight, the founder of this corporation came up with an idea of an athletic shoe at the track field of the University of Oregon. Now it has become a leader in the global economy. Nike has helped the economy by employing more than 500,000 people, worldwide. The company has contributed in finding a positive policy for minimum wage. Minimum wage laws usually don’t help who they’re originally set out to. Now with Nikes’ minimum