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The formula for kinetic energy, Ek, could not be simpler.
Ek = (1/2)mv2, where m is mass (in kg) and v is velocity (in m s-1). If you prefer, you could write Ek = mv2/2.
or, 810j=1/2*20Kg*v2
or,v2=810j*2/20Kg
or,v=sqrt of 81
so,v=9m s-1
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What is kinetic energy measured in?
Kinetic energy is measured in joules
What units are kinetic energy measured in?
Joules, as energy is measured in joules.
What is the unit of kinetic energy?
Joules, all energy is measured in joules.
What is the expression for kinetic energy?
joules
What is the total mechanical energy of a glass of milk falling off a table at a time when its potential energy is 15j and its kinetic energy is 12j?
27 Joules
What is the unit of measuring kinetic energy?
Joules, all energy is measured in joules.
What is used to measure kinetic energy?
Kinetic energy is measured in the units of joules. Mostly all energy units are measured in joules.
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.
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.
What's the units for kinetic energy?
Joules (J)
A measure of the kinetic energy of the particles in an object?
joules
What is the measurement of kinetic energy?
Kinetic energy is measured in (J) Joules. J=Kgm2/S2
