A 0.502 kg air cart is attached to a spring and allowed to oscillate. The displacement of the air cart from equilibrium is given by x = 11.2 cm·cos(1.88t + π), where t is in seconds. Calculate the maximum kinetic energy of the cart.
Compare the given equation with standard equation
x = A*cos(w*t)
so,
Amplitude, A = 11.2 cm = 0.112 m
angular frequency, w = 1.88 rad/s
we know, Vmax = A*w
= 0.112*1.88
= 0.21056 m/s
so, KEmax = (1/2)*m*vmax^2
= (1/2)*0.502*0.21056^2
= 0.0111 J
A 0.502 kg air cart is attached to a spring and allowed to oscillate. The displacement...
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A
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