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Two masses m1= 1 kg and m2= 2 kg are connected to each other by a massless rope that passes over a pulley with mass mp= 0.5 kg. The pulley rotates around a frictionless axle and the rope passes over the pulley without slipping. Mass m1 is attached to a vertical wall by a spring with spring constant k = 150 N/m and slides on a frictionless surface. What is the period (in s) ofsmall oscillations of this system?
While looking through the Mt. Palomer telescope, you discover a large planetary object orbited by a single moon. calculate the density of Planet Hephaestus
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be the volume (in cubic centimeters)
From the equation for the line of best fit given, what is the magnitude of the crankshaft's angular acceleration? Express your answer using two significant figures.
A horizontal 792-N merry-go-round is a solid disk of radius 1.43 m, Find the kinetic energy of the disk after 2.92 s
An ambulance moving at 42 m/s sounds its siren whose frequency is 450 Hz. a car is moving in the same direction as the ambulance at 25 m/s. what frequency does a person in the car hear as the car approaches the ambulance? After the ambulance passe..
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
A 19-cm-long, 210g rod is pivoted at one end. find the period if the rod and clay swing as a pendulum
The mass of a copper atom is 1.54 10-25 kg, and the density of copper is 8 920 kg/m3. Find the edge dimension of each cube
Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.35 cm, and a -2.20 µC charge is located at y = -1.00 cm. (a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordi..
A man pushes a wooden crate on wooden floor. The direction of the force is 30o downward relative to the horizontal, How much force does he use in order to maintain a constant speed
Two metal spheres, each of mass 14 g and initially at rest, are dropped from a height of 6 m in an evacuated chamber. One sphere has a charge of +50 ?C, and the other has a charge -50 C.
A series circuit consists of a 50.0-Hz ac source, a 50.0-ohm resistor, a 0.500-H inductor, and a 60.0-µF capacitor. What is the voltage amplitude of the source
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