.

essay writing examples
PHYSICS ESSAYS
Circular motion lab
(1738 words) , Download 27 , Essay
Only on istudyhub
Defining the problem and selecting variables Problem: How does a change in the length of the radius affect the velocity of the stopper? Research: Circular motion can be expressed in terms of formulas as it directly links to Newton?s 2nd law, f=ma. Fc  = m*a This relates to circular motion as in circular  motion: v2 Ac   =r Because f= m*a We can say that: v2 Fc     = mr V = rev / s ? 2nr T ( period) =1 / ƒ Frequency = number of revolutions per  second Variables Independent  variable(s) (manipulated): Radius Dependent  variable(s) (measured): Velocity Controlled variable(s) (constant): Human Error Friction Air resistance Technology Aspect 2 − Controlling  variables The variables were controlled in the following ways: Independent: Radius- during the Experiment that we conducted our independent variable that we controlled was the radius
The difference in mass affects the time period of a spring pendulum
(917 words) , Download 47 , Essay
Only on istudyhub
Teacher’s Instruction: To study how the difference in mass affects the Time Period of a spring  pendulum. Research Question: How does the suspended mass affect the Time period of an oscillation of a  spring? Variables Independent Variable: Mass Suspended (m) Dependent Variable: Time Period (T) Control Variable: Number of Oscillations (n) Dimensions of the Spring A Clamp Stand A G- Clamp A Spring Weights to be suspended A Digital Stop Watch A digital balance The clamp stand is set up and held steady to the table top using a G-  Clamp
Hooke’s law: determining k for a spring
(1559 words) , Download 00 , Essay
Only on istudyhub
Aim: To investigate Hooke’s law for simple springs of  rubber Hypothesis: The relationship between a load force and a light spring (F=k.x) was first determined by Robert Hooke in the 17th century
Gama rays
(1124 words) , Download 50 , Essay
Only on istudyhub
Gamma rays refer to the high energy photons that are emitted by radioactive nuclei. They   are a form of electromagnetic radiation, just like visible light or x rays, but with a much higher energy
Focal length of a converging lens
(1572 words) , Download 92 , Essay
Only on istudyhub
Aim: To find the radius of curvature and the focal length of a converging lens by experimental method Hypothesis: The relationship between u, v, and the focal length f for a converging lens is = l = l + lf            u          v where f is the focal length of the lens, u is the distance between the object to the lens and v is distance between the images to the lens. Variables: Independent Controlled Dependent Different  types                 of lens used Distance between the candle and the lens Experiment  conducted at a dark room Same projection screen used   Focal length of the lens and the distance between the image and the lens Materials: Item Quantity Accuracy Candle & Matches 1 - Converging lenses 5 - Screen 1 - Distance marker 1 6l ±0
What are fiber optics?
(1328 words) , Download 03 , Essay
Only on istudyhub
Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances
Horizontal circular motion lab
(1863 words) , Download 29 , Essay
Only on istudyhub
Aim: Determine the mass of a metal mass using the principles of horizontal circular   motion. Experimental Design: A stopper that is attached to a vertical mass will be swung in horizontal circular motion using a specially set up apparatus
Range of a rubber band
(1328 words) , Download 47 , Essay
Only on istudyhub
Aim The aim of this experiment is to find how the amount of stretching, when shooting a rubber band, affects the length of the shot. Hypothesis When you stretch an elastic rubber band, you store potential elastic energy inside it
What are fiber optics?
(1328 words) , Download 31 , Essay
Only on istudyhub
Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances
Experiment to compare the radiation of heat from different objects
(1318 words) , Download 55 , Essay
Only on istudyhub
Aim To observe the energy produced per second depending on the rate of cooling from the objects depending upon the relative ability of its surface to emit energy by radiation of  heat. Hypothesis The black body has an emissivity of 1 whereas the silver body has an emissivity of 0
SiteLock