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A plastic sphere floats in water with 35.0 percent of its volume submerged. This same sphere floats in an unknown fluid with28.0 percent of it's volume submerged. Compute the densities of the sphere and the unknown fluid.
kg/m3 (density of sphere)
kg/m3 (density of unknownfluid)
A sound is set up in a pipe closed at one end and open atthe other. According to the formula given by Dr. Willis in class,when n=3 how much of a wavelength is in the pipe?
An AC generator has an output rms voltage of 94 V at a frequency of 76 Hz.find the inductive reactance and rms current
A mass of 6 kg is moving at 31 m/s in the positive x direction. What is the magnitude of the velocity of the masses after the collision in m/s
a soccer ball is kicked with an initial horizontal velocity of 14.0 ms and an initial vertical velocity of 13.0 ms.what
A rope applies a horizontal force of 180N to pull a crate a distance of 2m across the floor A frictional force of 60N opposes this motion.
1 a resistor and a capacitor are connected in series to an ac generator which is initially set to 120 v rms and a
A mass is suspended from the ceiling of a train car by a 45.4cm long piece of string. A passenger notices that the mass is deflected 14.7cm backward as the train accelerates forward. What is the train's acceleration?
A uniform ladder 5.0 m long rests against a frictionless,vertical wall with its lower end 3.0 m from the wall. How far along the ladder can the man climb
an observer stands 25 m behind a marksman practicing at a rifle range. the marksman fires the rifle horizontally the
A 60 kg car moving towards the right at 5 m/s collides head on with an 50 kg car moving towards the left at 6 m/s, find the velocity of the combined bodies
A 85.9-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is ?k = 0.561. If the player comes to rest after 1.27 s, what is his initial speed
A cup of newly brewed 330 g cofee is to hot to drink when served at 88 degree celcisus. What is the mass of the ice cube needed in order to cool the coffee to a pleasant 50 degree celsisus
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