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A clown at a birthday party has brought along a helium cylinder,with which he intends to fill balloons. When full, eachballoon contains 0.034 m3 of helium at an absolutepressure of 1.2 x 105 Pa. The cylinder containshelium at an absolute pressure of 1.6 x 107 Pa and has avolume of 0.0031 m3. The temperature of the heliumin the tank and in the balloons is the same and remainsconstant. What is the maximum number of balloons that can be filled?
Three boxes are connected by light strings. The force pulling on the third box is 30 N. What is the tension between box 2 and box 3
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.
A stretched string of length L is plucked at a position L/5 by producing an initial displacement h and then releasing the string. Find the amplitudes for the fundamental and the first three harmonics.
a solenoid that is 91.4 cm long has a cross-sectional area of 15.0 cm2. there are 1000 turns of wire carrying a current
An elevator is traveling upward at constant speed of 2.4 m/s. After 2.4 s has passed, the distance between the object and the elevator is
A hollow, conducting sphere with an outer radius of 0.256 and an inner radius of 0.190 has a uniform surface charge density of +6.91×10?6 . A charge of -0.690 is now introduced into the cavity inside the sphere. What is the new charge density on the ..
A speed skater moving across frictionless ice at 8.4 m/ s hits a 5.2 m -wide patch of rough ice. She slows steadily, after that continues on at 6.3 m/s.
question1the relatively high resistivity of dry skin about can safely limit the flow of current into deeper tissues of
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
Which of these do you think would allow sound to travel fastest? Explain the answer. Give two reasons - one relating to the density of molecules and the second to the elasticity of your choice - air, water, solid wood. Confirm to specifically stat..
The wheel of the car has a radius of 0.340 m. The engine of the car applies a torque of 282 N•m to this wheel, that does not slip against the road surface. Since the wheel does not slip, the road must be applying the force of static friction to the w..
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