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The simple harmonic motion of a 300 g mass on a spring is described by y = 20 cm sin(1.2566t). At t = 1/8 s what is the total energy?
In an experiment of centripetal force you have a rotating mass of 500 grams, which is at 5 cm from the axis of rotation. Calculate the angular velocity of the rotating mass
At the Winter Olympics, an athlete rides her luge down the track while a bell just above the wall of the chute rings continuously. Find the speed of the athlete
A light spring having a force constant of 139N/m is used to pull a 9.60kg sled on a horizontal ice rink. The coefficient of kinetic friction between the sled and the ice is 0.200. The sled has an acceleration of 2.40m/s^2 . A)Calculate the net upw..
A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. how much additional charge will flow from the battery
A vessel whose walls are thermally insulated contains 2.5 {rm kg} of water and 0.6 {rm kg} of ice, all at a temperature of 0.0 ^circ {rm{C}}. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted ..
A 100 W lightbulb produces 4.0 W of visible light. What is the light intensity on a wall 3.0 m away from the lightbulb
Mattwe pulls his little sister sarah in a sled on an icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12m, then determine the work done by matthew?
A 1.0-cm-tall candle flame is 55 cm from a lens with a focal length of 22 cm. What is the image distance? What is the height of the flame's image
A barge on the Ohio river is 35 ft wide and 200 ft long with walls which are 12 ft high. What is the mass of the coal the barge is carrying downriver
An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. How far does the lighter fragment slide
You are practicing throwing darts in your dorm. You stand 3.33 m from the wall on which the board hangs. Calculate the time of flight of the dart
A circuit contains a 150-O resistor, a 0.0570-H inductor, a 0.420-µF capacitor, and a source of time-varying emf connected in series. What is the average power drawn from the source of emf
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