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What is the kinetic energy of a person on top of a tower e equals with a potential energy of 15000 joules?
(assuming no air resistance)
potential energy translated to kinetic energy.
you need some numbers in:
potential energy = m*g*h = 15 000 j
say m = 100 kg
say g = 10 m/s^2 (approximation)
then h = 15 000 / (100*10) = 15 metres
so
100 kg after falling 15 metres will have kinetic energy = 15 000 joules
KE = 0.5 * m * v^2
so velocity) at base of tower :
v =square root (15 000 / (0.5 * 100))
v = 17.32 metres / second
so , potential energy lost = kinetic energy gained.
What else can I help you with?
What does not have the same units as the others Kinetic Energy Momentum Potential Energy or Work?
Momentum does not have the same units as the others. Kinetic energy is measured in joules, potential energy in joules, work in joules, but momentum is measured in kilogram meters per second (kg m/s).
What is an object's kinetic energy if air resistance is not a factor and weighs 0.6 kg and its potential energy is 27 joules?
The object's kinetic energy can't be determined from the given information. Kinetic energy = (1/2) (mass) (speed)2 The question gives the object's mass, but we need its speed too.
Can kinetic energy be measured in newtons?
No, kinetic energy is measured in Joules (J), as this is the SI unit for energy.
What is the kinetic energy of mass of 30 kilograms that moves with a velocity of 15ms?
Potential Energy equals One Half Mass times Velocity squared. 30kg X 15m/sec X15m/sec =6750 Joules
How does kinetic energy and potential energy switch?
work=change in kinetic energy, doing work on an object by moving it up increases that object's potential energy because it has the POTENTIAL to fall due to gravity. kinetic energy is lost in the movement of the object. However, throughout an entire closed system, the total energy in joules (or kinetic enery plus potential energy) does remain constant. this is useful because the initial energy and the final energy most be equal, and if thats true, then initial kinetic energy plus initial potential energy must equal final kinetic energy plus final potential energy. does that help?
What is a comparison of kinetic and potential energy?
They are both measured in Joules
A satellite falling to the earth has kentic energy of 182.2 billon Joules and a potential energy of 1.6 billion JoulesWhat is its mechanical energy?
The mechanical energy of the satellite is the sum of its kinetic energy and potential energy. In this case, the mechanical energy would be 182.2 billion Joules (kinetic energy) plus 1.6 billion Joules (potential energy), totaling 183.8 billion Joules.
What does not have the same units as the others Kinetic Energy Momentum Potential Energy or Work?
Momentum does not have the same units as the others. Kinetic energy is measured in joules, potential energy in joules, work in joules, but momentum is measured in kilogram meters per second (kg m/s).
Suppose a falling object loses 7J of potential energy. How much kinetic energy will it gain?
From what I understand: PE - Potential Energy (mgh) KE - Kinetic Energy (1/2 mv2) If one dismisses the friction with air (conservation of energy), a loss of 7 joules for potential energy means a gain of 7 Joules in kinetic energy.
If we know the total in a system is 30 joules and we know the poteial energy is 20jolueswhat is the KE?
The total energy in a system is the sum of its potential energy (PE) and kinetic energy (KE). In this case, with a total energy of 30 joules and potential energy of 20 joules, we can use the formula: Total Energy = Potential Energy + Kinetic Energy. So, KE = Total Energy - PE = 30 J - 20 J = 10 joules.
What unit use for work potential and kinetic?
Work uses the same unit as energy. Ideally, you would use the same units for work, potential energy, kinetic energy, or any other type of energy. In the SI, that is the joule.
Similarities between Kinetic energy potential energy electric energy and gravitational energy?
they are both measured in joules
What is the similarities between kinetic energy and potential energy?
kinetic energy depends on speed an potential energy depends on height and mass
What can be measured in joules?
Various forms of energy can be measured in joules, such as kinetic energy, potential energy, heat energy, and electrical energy. Joules are a unit of measurement for energy and can be used to quantify the amount of energy present in a system or the amount of work done.
When an object falls which energy changes to?
As the object falls, it PEG or potential gravitational energy becomes kinetic energy. Before falling, it has for example 10 joules of PEG and 0 joules of Kinetic energy. As it falls, the PEG decreases and the kinetic energy increases, until it hits the ground, when all the energy is dispersed as sound, heat, etc.
What are the similarities between kinetic energy and potential energy?
Kinetic energy and potential energy are both forms of mechanical energy. They are both scalar quantities, meaning they have magnitude but no direction. Additionally, they are both measured in the same units of energy, such as joules in the International System of Units (SI). Both kinetic and potential energy play a crucial role in the conservation of energy principle, where energy cannot be created or destroyed, only transformed from one form to another.
Does a water fall have kinetic energy?
Yes, it does. Kinetic energy is energy in motion. If you have a waterfall, the energy within it is constantly being moved. If it were perhaps a waterfall that was frozen over, then it would not have kinetic energy; it would have potential energy. Relative to the pool at the bottom, the water at the top has potential energy until it reaches the edge. After it spills over, each kilogram of water loses 9.8 joules of potential energy and gains 9.8 joules of kinetic energy for every meter it falls. When it reaches the bottom, all of the potential energy it had at the top has been converted to kinetic energy.
