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The threshold frequency is the minimum frequency a photon can be and still just overcome the work function (Φ) of a particular material. The threshold frequency is directly proportional to the work functi...
When resistors are in series you may add up their resistances to find the total resistance, RTotal= R1 + R2. However, when resistors are in parallel, it gets a little more complicated. You must...
Sum of moments in equilibrium must equal 0. The sum of clockwise moments must equal the sum of anticlockwise moments. W1 is the force exerted on the seesaw by the heavy person at distance D1 from the pivo...
Newton's second law of motion is F = ma and his law of gravitation is F= GMm/r^2.g is the acceleration of free fall and can be substituted for a, F = mg.We can therefore see that g = F/m and can use that ...
A collision is elastic when the total amount of kinetic energy in the system is conserved, there is no loss in kinetic energy.A collision is inelastic when the total amount of kinetic energy in the ...
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