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Question
A 2 kg sockeye salmon is dropped from a height of 10 cm onto a massless pan of a scale on which already rests another 2 kg salmon. The maximum downward displacement from the unde?ected position is 5 cm.
1) What is the spring constant of the scale?
2) Find the amplitude and period of the resulting oscillation, assuming there is no damping.
An amplifier is required to give a current gain of Ai= 50 ± 1.5%. The source resistance is Rs= 100 kΩ, and the load resistance is RL= 100 Ω. Determine the design specifications of the amplifier.
consider a black box which is approximately a 10-cm cube with two binding posts. each of these terminals is connected
q1. a 97 kg man drops from rest on a diving board -2.8 m above the surface of water and comes to rest 0.68 s after
What would the final velocity be, in meters per second, if the car with the 68-kg passenger had collided with (and stuck to) a car that has a mass equal to and is traveling in the opposite direction and at the same speed?
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 60m. What is the fastest speed the car can go
A cylindrical air capacitor with a length of 15.6m stores an amount of energy equal to 3.30×10?9J, Calculate the ratio of the radii of the inner and outer conductors
After an earthquake, the time between the arrival of the P-waves and S-waves is 4 minutes. How far away is the epicentre of the earthquake?
Early black-and-white television sets used an electron beam to draw a picture on the screen. The electrons in the beam were accelerated by a voltage of 3.0 kV, What is the speed of electrons in the beam
a 8.0-g string 0.87 m long is under tension. the string produces a 900-hz tone when it vibrates in the third harmonic.
You have been charged with operating "the gravitron" at the carnival. What minimum rotation speed should you reach before dropping the floor?
for all problems of this assignment consider nuclear power plant npp with pressurized water reactor pwr. reactor have
Two speakers are driven by a common oscillator at 800 Hz and face each other at a distance of 1.25 m. Locate the points along a line joining the two speakers where relative minima would be expected. (Use v = 343 m/s).
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