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An object is placed 15 cm from first converging lens of focal length 10 cm. A.) A second converging lens with focal length 5 cm is placed 10 cm to the right of the first converging lens.
Find the direction for each two-slit interference maximum on the screen as an angle away from the bisector of the line joining the slits.
Consider a series RLC circuit with R=15 OHms L = 200 mH, C = 75 75 µF and maximum voltage of 150. What is the rms current in the circuit at a frequency of 60 Hz?
A 0.50-µF capacitor is being charged in a circuit. An ammeter in the circuit reads 1.5 A. What is the displacement current through the capacitor?
What is the rotational inertiaof the merry go around starts from rest and accelerates at 0.010 rad/ s^2 for 14 s if a constant tangential force of magnitude 200 N applied 1m from the axis of rotatio
The rotational inertia of the system consisting of the man, bricks, and platform about the central vertical axis of the platform is 5.0 kg·m2. By moving the bricks the man decreases the rotat
A 1.5 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 30 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular m
Two objects are orbiting each other under the influence of the force of the gravitation force between them. Object 1 has a mass of 200 kg and is twice as massive as Object 2. The distance between th
An m1 = 8.0 kg box lies on a friconless table, and is attached to a m2 = 5.0 kg box by a light cord passing over a rotating pully. The pulley has a mass of 3.6 kg and a radius of .40 m. Just as the
Assuming that this star is essentially at the edge of the galaxy, each of the stars in the galaxy has a mass equal to that of this star, and the stars are distributed uniformly in a sphere about the
Now all but on jump off, in a radial direction away from the center. What is the new angular velocity?
FOur people stand at the edge, must off the carousel, each with a mass of 65 kg. The four suddenly sltep onto the carousel all at once. I) What is the new angular velocity of the carousel after th p
A metal rod of length 48 cm falls toward the earth. The rod is horizontal and oriented east-west. At a moment when the rod's speed is 8m/s, approximately how many excess electrons are at the negativ
A series RLC circuit has a source of time-varying emf providing 15 V at a frequency f0, with L = 7.90 mH, R = 130 Ω, and C = 0.0510 mF. a) What is the resonant frequency of this circuit?
By what factor would the tension in a violin string have to change to tune it from Baroque pitch of 415 Hz to the modern pitch of 440 Hz?
A ray of light in the coating is incident on the plastic-glass boundary at an angle of 13.0° with respect to the normal. At what angle with respect to the normal is the ray transmitted into the
He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
Neglect the weight of the ball, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction
As a result of the collision, the block (with the bullet in it) reverses direction, rises, and comes to a momentary halt at the top of the building. Find the time t.
The cables make a 20° angle with the ship and the tension force in each cable is 5.00x10N. What is the total net work done on the ship by the two trains?
A blue supergiant star has surface temperature of 32KK and has total power output 100000 times that of the Sun. Where is the Wien peak of the star's blackbody curve?
If 64% of the energy of the red source is absorbed in the blood, by what factor does the amplitude of the electromagnetic wave change?
What is the length of the moment arm from the knee joint to the applied force?
The brakes of a truck cause it to slow down by applying a retarding force of 3.0x10^3N to the truck over a distance of 850m All of this takes place on a horizontal flat surface · What is
A 640 g hollow ball 28 cm in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 Hz. What is the torsional constant of the wire?