- What is the acceleration due to gravity at the start, bottom, middle?
Acceleration by gravity is always 10ms-2, simply because gravity, by itself, means force acted due to the gravitational field strength of a large mass. like the earth.
- To Calculate he value of g.
g cannot be calculated based on this particular case whatsoever. Despite at first being at free fall, the suit is designed to have a high amount of friction to dissipate the energy of GPE. Without given values such as Friction or the exact function to describe the nature of the curve, it is hard to get exact values.
However, to calculate G, the values needed are:
- The function that gives the value of the frictional force with respect to x position, because frictional force can't be constant throughout.
- The weight of the person
Multiply the function that gives the value frictional force by the function
However, to calculate G, the values needed are:
- The function that gives the value of the frictional force with respect to x position, because frictional force can't be constant throughout.
- The weight of the person
Multiply the function that gives the value frictional force by the function
- Work that is done due to friction
int Friction = friction + air resistance
Eventually, work done due to friction is always equal to GPE, such that the object will be at rest.
- Energy conversions: law of conservation of energy (potential -> kinetic, work done against friction)
GPE is the total amount of possible work being done based on an object’s weight alone. There’s nothing but gravity/weight acting on the person from the top. kinetic energy refers to the instantaneous work being done based on an object’s velocity, which would decrease continuously as being converted to thermal energy in form of friction.
- Classic exam question, A Math, Physics
A physicist decided to use the Cartesian coordinate system to describe accurately forces acting on the system, assuming friction was 0.
a) express the absolute value of the instantaneous net force given only ƒ(x) and weight mg, using the concepts of definite and indefinite integrals.
b) express x in terms of t, given the function used to describe the curve as ƒ(x), and weight mg, and the x-position of the place at which the object is dropped is å, using concepts of integration and the differentiation.(Hint, draw vector diagram)
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