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An oscillator consists of a block attached to a spring (k = 475 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.420 m, v = -11.9 m/s, and a = -139 m/s2. a) Calculate the frequency of oscillation. (Hz) b) Calculate the mass of the block. (kg) c) Calculate the amplitude of the motion.(m)
A uniform magnetic field B is perpendicular to the plane of a circular loop of radius r. Find the emf in the loop as a function of time
A diverging lens (f = -12 cm) is located 20 cm to the left of a converging lens (f = 35.0 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
q1. an alpha particle m 6.7 acute 10-27 kg q 3.2 acute 10-19 c has a speed of 20 kms at point a and moves to point b
A size-5 soccer ball of diameter 22.6cm and mass 426g rolls up a hill without slipping, reaching a maximum height of 6.50m above the base of the hill. At what rate was it rotating at the base of the hill
A fireman tosses his 0.85-kg hat onto a peg, where it oscillates as a physical pendulum, find the moment of inertia of the hat about the pivot point
A conducting rod of mass m is sliding on frictionless conducting rails in a region that has a static, uniform magnetic field directed into the page as shown. The rails slope downward from the end with the resistor so that the rod of mass m slides dow..
a 3.7 kg box of running shoes slides on a horizontal frictionless table and collides with a 2.4 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.33 m. what is their kinetic energy just before they strike the flo..
A jet airplane is in level flight. The mass of the airplane is m=8850 kg. at what angle is the airplane banked
An L-R-C circuit has L = 0.400 H, C = 2.65×10?5 F, and a resistance R. Angular frequency is 307 rad/sec when R = 0.
Two long parallel wires each carry 2.3A in the same direction, with their centers 1.5cm apart. Find the magnitude of the force of interaction
A converging lens of focal length 19.2 cm is separated by 55.3 cm from a converging lens of focal length 4.72 cm. If the height of the object is 3.10 cm, what is the height of the final image
A 100-kg object moves on a level surface with a coefficient of friction of 0.40. If the initial velocity is 15 m/s, how long will it take for it to come to rest
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