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How is gravitational potential energy determined?
Potential Energy is calculated by the product of the mass of the object ( not weight! ), the gravitational acceleration ( 9.81 m/s/s ) and the height of the object above a datum. mass x 9.81 x height
What is the gravitational potential energy of a chalk lying on the floor?
Potential energy always depends on the reference level (it must be specified in relation to something). If you use the ground as your reference level (as is usual), then height = 0, so the potential energy is also zero.
What does the velocity of car A which is traveling at 50 ms West appear to be from your frame of reference?
Depends entirely on your frame of reference! If you are in a car traveling along side it at 50 ms, the car will appear to be standing still. If you are going the opposite direction at 50 ms, it will appear to be traveling at 100ms.
What factors affect an objects gravitational potential energy?
The gravitational potential energy of an object is determined by its mass, the acceleration due to gravity, and its height above a reference point. The formula for gravitational potential energy is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height of the object above the reference point.
What is the potential energy of the 85 kg rock?
The potential energy of a rock is calculated as the product of its mass, the acceleration due to gravity (9.81 m/s^2), and the height of the rock above a reference point. Without the height of the rock specified, the potential energy cannot be accurately calculated.
What s a reference point?
basis or standard for evaluation, assessment, or comparison; a criterion.
Is s three is the least number of points that can be used to define a plane?
yes, three points in the least number of points that can be used to define a plane. if you used two points you would only have a line, and one point is a point
What is an interface class and what is an abstract class?
The term interface class does not exist in C#. If this is a term describing a class being an interface to other component (human, subsystems, etc), it is very application specific. The designer of that application should know the abstraction.However, C# does have another type called interface. An interface is NOT a class. An interface defines the intention of some behaviors that classes may be extended it and provides the implementation. The intention, is nothing but method signatures, which defines the return data type, the method name, and any method arguments and associated data type. The implementation is the code of the method. Interface is used for separating the concern of design and implementation.Abstract class is a class with abstract keyword. It can be just like a class without that keyword (then, why it is an abstract class?). But it may have some methods or properties defined as abstract. These abstract methods, like the method signatures of an interface, defines the intention.The subclasses of such an abstract class would need to implement those abstract methods (providing the code).There are more common, differences between interfaces and abstract classes, please see answer(s) of those related questions in C# category.
What s a basal metabolic rate?
It's a reference point of sorts that tells you how many calories you need to ingest to 'maintain' your current weight. It can be used to lose weight or gain weight by subtracting or adding calories to your daily intake, with your BMR as your reference point.
What are the release dates for The Interface - 2007 The Old 97's?
The Interface - 2007 The Old 97's was released on: USA: 13 June 2008
What has the author S Rawlinson written?
S. Rawlinson has written: 'The FE/HE interface'
How many minutes is in 8 km?
You are trying to figure out how much time is in a distance... You need a reference point like 1m/s or something, their not interchangeable.
What has the author Eugene P Sheehy written?
Eugene P. Sheehy has written: 'The achievement of Marianne Moore' -- subject(s): Bibliography 'Guide to reference books' -- subject(s): Bibliography, Reference books 'Guide to reference books' -- subject(s): Bibliography, Reference books 'Sherwood Anderson, a bibliography' -- subject(s): Bibliography
How can an object have a velocity of 0 m per s but still be accelerating?
^velocity* Consider an object that is travelling south at 10m/s. It accelerates north until it is travelling 10m/s. If we define south as negative, then it accelerates from -10m/s to 10m/s. -10 < 0 < 10, hence, it is travelling at 0m/s at some point.
What action(s) can commanders take that will help them organize and interface with the myriad of relevant players and information flows?
delineating staff interface responsibilities and designate LNOs
What is the potential energy of a 40 N object 10 meters above its reference point?
The potential energy of the object is 400 J. Potential energy is calculated as the product of the object's weight (40 N) and its height above the reference point (10 m). The formula for potential energy is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (approximately 9.8 m/s^2), and h is the height.
Write a program in C using macros?
#include <stdio.h> #define HELLO(s) printf ("%s\n", s) #define MAIN main (void) { HELLO ("Hello world!"); return 0; } MAIN
