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Look up Hess' Law and discuss how this experiment is an illustration.
A 250 ohm resistor is connected in series with a 4.80 uF capacitor. The voltage across the capacitor is v_{C}=(7.60 V)sin [(120 rad/s}) t ]. Determine the capacitive reactance of the capacitor.
If a large lake is held back by a dam that is equallylong and equally deep compared to another body of water, but is anarrow river, which dam would need to be constructed more strongly
Consider an LC circuit in which L = 470 mH and C = 0.102 µF. What is the resonance frequency and If a resistance of 1.30 k? is introduced into this circuit, what is the frequency of the damped oscillations
A person pulls a toboggan for a distance of 32.7 m along the snowwith a rope directed 24.9 ° above the snow. The tension in therope is 91.6 N. (a) How much work is done on thetoboggan by the tension force? (b) How much workis done if the same tension..
A body travels at an initial speed of 1.5m/s. Given a constant acceleration of 0.2m/s2, what is the speed of the body at time 25 seconds later?
The blood flow speed through an aorta with the radius 1.00 cm is .265 m/s. by how much would the blood flow speed increase
From the top of a 30ft building, the angle of depression to the foot of a building across the street is 70 degrees and the angle of elevation to the top of the same building is 71degrees( how tall is he building across the street ?)
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 9.00×1011 mm of Hg. What is the number density
A slit with a width 0.10 mm is located 11 m from a screen. If the light with λ = 600 nm is passed during this slit, what is the distance among the central bright fringe and the third dark fringe on the screen?
If two adjacent natural frequencies of an organ pipe are determined to be 550Hz and 650Hz, calculate the fundamental frequency and length of the pipe. Assume v(air)=340 m/s
An airplane needs to reach a velocity of 407 km/h to take off. On a 2000m runway, what is the least acceleration necessary for the plane to take flight.
A catapult on a cliff launches a large round rock towards a ship on the ocean below. Calculate the speed at which the rock is launched
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