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Let's assume there is a spring between the cars at impact (good assumption since most cars today are made to crumple instead of bounce off).
What would the energy of the each mass do to the spring? Where would that energy go?
A violinist is tuning her instrument to concert A (440 Hz). She plays the note while listening to an electronically generated tone of exactly that frequency and hears a beat of frequency 5.00 Hz, what was the frequency of her violin when she heard ..
In a certain RLC circuit, a46-? resistor, a11-mH inductor, and a 5-µF capacitor are connected in series with an AC power source for whichVrms=12V andf= 100 Hz.
The angle between the wall and A (top cable) is 30 degrees, the angle between the wall and B (bottom cable) is 60 degrees. Q is the variable pointing straight down, and P is the red vector pointing up and to the right at 75 lbs, 30 degrees above t..
if a blue filter is placed over a light source aperture so that the incident rays are blue and these rays pass through
If we model a blade as a point mass at the midpoint of the blade, what is the inward force necessary to provide each blade's centripetal acceleration
A solenoid 1.45 m long and 3.30 cm in diameter carries a current of 12.0 A. The magnetic field inside the solenoid is 16.0 mT. Find the length of the wire forming the solenoid
if a 1 micro-coulomb charge is next to a 4 micro-coulomb charge the magnitude of the repulsive force on the 1
Find an expression for the angle y that a pipeline would require such that the pressure is constant assuming a laminar flow. Then, find the angle of a 10-mm-diameter pipe transporting 20-C water at Re ¼ 2000 so that a constant pressure occurs.
Let I1 be the branch current though R1, I2 be the branch current through R2, and I3 be the branch current through R3. Write Kirchhoff?s loop rule relation for a loop that travels through battery 1, resistor 1, and resistor 3. (Use a clockwise curr..
A “75 Watt” light bulb uses an average power of 75W when connected to an rms voltage of 120V. What is the resistance of the light bulb? What is the maximum current in the light bulb? What is the maximum power used by the bulb at any given instant of ..
A car of mass 1000 kilogram moves with a speed of 55 m/s on a circular track of radius 120 meter. Obtain the magnitude of its angular momentum relative to the center of the race track
If a 2-mm diameter pellet is illuminated from the left and the right by laser beams, such with a diameter of 1 cm and a power of 1 megawatt, estime the pressure applied to the pellet, assume all the light that hits the pellet is absorbed.
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