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A pendulum consists of a mass m = 0.120 kg hanging from a flexible string of length L. The string is very thin, very light, and doesn't stretch much. It makes small oscillations, with a period of 0.540 s.
Find the oscillation frequency of the pendulum. Neglect any air resistance.
(in Hz)
Find the period of the same pendulum on the moon's surface. The gravitational acceleration of the moon is 1.67 m/s2.
(in s)
A rectangular loop of wire with sides 0.23 and 0.39 m lies in a plane perpendicular to a constant magnetic field, compute magnitude of the average emf induced in the loop.
You lay a mirror flat on the floor with one edge against a wall and aim a laser at the mirror. Find the angle of incidence of the laser ray on the mirror
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. what impulse did he imply on the ball
Two spheres are 7.66 m apart, and each has the same amount of positive charge. what is the charge on each sphere
A typical ten-pound car wheel has a moment of inertia of about. The wheel rotates about the axle at a constant angular speed making 60 full revolutions in a time interval of 5.
A tennis ball of mass 57 g travels with velocity m/s toward a wall. After bouncing off the wall, What is the change in the momentum of the tennis ball
A 120 V rms voltage at 60 Hz is applied across a 10 uF capacitor and an unknown resistor. what is the value of the resistor
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, that of the second is 36° from vertical, What light intensity emerges from the third filter
q1 a deformation of cross-linked polymeric microgel particle carbopol is explained by the kelvin-voigt model a spring
light with a frequency of 5.40 x 10^14 Hz travels in a block of glass that has an index of refraction of 1.52, what is the wavelenght of the light in vacuum
A thin rod (length = 1.816 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. compute the magnitude of the angular acceleration of the rod
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