how to compute Potential and Kinetic energy?
PE=
KE=
nonsense = report
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how to compute Potential and Kinetic energy?
PE=
KE=
nonsense = report
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Answer:
Potential energy is:
U=∫CF⃗ ⋅ds⃗
That just says that the potential energy of a configuration is the total work needed to get it into that configuration from some reference configuration.
There is no absolute potential energy value.
Kinetic energy is.
K2=E2tot−(mc2)2
details depend on the exact situation being evaluated.
ie. for v << c, that second one turns into K=12mv2
When we talk about gravitation, and the reference configuration is “on the ground”, then U(h) for any h<<R , the first one evaluates to
U=mgh
PE = mass * gravity * height
KE = 1/2 * mass * velocity * velocity
They are usually written as:
PE = mgh
KE = 1/2 mv^2
There are other potential energy formulas that are possible. Those include the energy stored in a spring, electric field, and magnetic field.
ENERGY
Answer:
PE = mgh or wh
where;
mgh stands for
wh stands for
KE = 1/2mv^2
where;
mv is