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Q. A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
Q. A simple generator has a 470 loop square coil 21.0 cm on a side. How fast must it turn in a 0.360 T field to produce a 120 V peak output?
Explain Power Built Construction is considering whether to replace an existing bulldozer with a new model
What is cohesiveness? What impact does cohesiveness have on behavior? Does a group need to be cohesive in order to be successful? Why or why not?
Explain Search the web for Effective Project Communications and Summarize at least one website and compare it to what was presented in this chapter
Calculating returns and variability you have observed the following return on Mary ann Data Corporation's stock over the past five years: 216%, 21%, 4%, 16%, and 19%.
Need to have ideas and references on what type of problems to expect in expanding business opportunities in South Pacific Island where 50% of population is less than 15 years old
Each team member is asked to prepare a 1 page Word document with well developed ideas for enhancing the culture at Green River.
Explain What is spam and Identify and define two torts that protect against the intentional interference with persons.
Suppose you have 10,000 to invest ion a stock portifolio. Your choices are stock x with an expected return of 14% and stock y with an expected return of 9%.
When an 82.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2 x 10^3 J. By how much does the potential energy of a 17 kg child increase when the child climbs a normal sta..
It is important to understand the relationship between culture and behavior, especially for those in the field of psychology, because culture is not limited to a person's racial background or ethnicity
A 110 granite cube slides down a 45 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest. How high above the table should the granite cube be released to give the steel cube a..
Rank the magnitudes of the forces exerted on the following particles from largest to smallest. In your ranking, display any cases of equality. (Use only ">" or "=" symbols. Do not contain any parentheses around the letters or symbols.)
The suspended 2.82 kg mass on the right is moving up, the 2.2 kg mass slides down the ramp, and the suspended 8.1 kg mass on the left is moving down. There is friction between block and ramp. What is the acceleration of a three block system.
Find out the magnetic induction at a point
An electronic device dissipating 30 W has a mass of 20g and a specific heat of 850 J/kgoC. The device is lightly used, and it is on for 5 min and then off for several hours, throughout which it cools to the ambient temperature of 25 o C.
A .300kg mass attached to the end of a .75m string is whirled around on a smooth level table. If the maximum tension that the string can withstand is 250N, then what most tangential speed can the mass have if the string is not to break.
A 270 ball and a 520 ball are linked by a 50.0-cm-long massless, rigid rod. The structure rotates about its center of mass at 120 rpm. What is its rotational kinetic energy.
Chromium is produced by reacting its oxide with aluminium. If 354 g of Cr2O3 and 158 g of Al react to form 204 g of Al2O3, how many grams of Cr are formed.
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32.
Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.
Object 1 has a mass m1 and a velocity 1 = (2.87 m/s). Object 2 has a mass m2 and a velocity 2 = (3.01 m/s). The total momentum of these two objects has a magnitude of 18.0 kg • m/s and points in a direction 66.5° above the positive x-axis. Find out m..
After the first spring compresses a distance of 33cm, second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 53.0 cm after first contacting the two-spring system. Find the car's initial spee..
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