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A consumer upset by the latest trend of postal rate increases has decided to try to send letters by balloon even though they might not reach their intended destination. A 66400 cm3 gas-filled balloon will provide enough lift for a 45.1 g package to be accelerated upward at a rate of 3.25 m/s2. For these circumstances, compute the density of the gas the consumer fills the balloon with. The acceleration due to gravity is g = 9.81 m/s2 and the density of air is air = 1.16 kg/m3. Neglect the mass of the balloon material and the volume of the package.
A beam of polarized light with an average intensity of 14.8 W/m2 is sent through a polarizer. Thetransmission axis makes an angle of 26° with respect to the direction of polarization. Determine the rms value of the electric field of the transmitted..
Object O1 is 14.5 cm to the left of a converging lens with a 12.0-cm focal length. What is the focal length of the second lens
A small moon of a giant planet has an orbital period of 1.77 days and an orbital radius of 4.63 105 km. From these data, determine the mass of the planet
Classify and explain the five legal theories you could use in an attempt to have the regulation declared invalid and overturned in court.
a point charge moving in a magnetic field of 1.24 tesla experiences a force of 0.813e-11 n. the velocity of the charge
Consider the arrangement of three plates, each of area A = 25.0 cm2. If d = 0.100 mm, what is the capacitance of the structure. You may assume one terminal is attached to the wire on the left and the other terminal is attached to the middle plate
an electrically neutral morgan silver dollar is placed in a uniform electric field of magnitude e6.3e5 nc . the field
A Force F of magnitude 2.04 N is applied to a block of mass1.00 kg in the opposite direction to the normal force on an inclinethat is angled at 37.1 degree to the horizontal. What is the value of the coefficient of static friction
A proton and electron are far away from each other, how quick would the electron be going in the orbit if we assume centripetal motion?Therefore, what is the electrnss kinetic energy
A beaker is filled to the brim with water. A solid object of mass 3.00 kg is lowered into the beaker so the object is fully submerged in the water, find the buoyant force that acts on the submerged object
A 20-N horizontal force pushes an object along a rough floor so that the object moves with a constant velocity of 7.0 m/s
A violinist is trying to tune her instrument to 512 Hz, but it is at 491. By what percent does she have to change the tension to tune the violin? Answer A) 1.2% B) 4.1% D) 8.7% E) 12.1% F) 14.5%
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