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At a water park, a 50kg lady goes down a water slide. At a point 3m above the plash-down pool, the lady passes a radar type speedometer that determines the lady's speed is 12m/s.
a. calculate the ladys KE and PE with respect to splash down pool when passing the speedometer. 9.8 for gravity.
b. expalin how the energies you calculate compare to the ladys KE and PE just before landing in the splash down pool.
An electrical outlet for an electric stove provides a potential difference of 240 V, rms. Find the amplitude of the potential difference
You place a 4.47-mm-high diamond on the axis of and 11.3 cm from a lens with focal length -6.79 cm. How high is the image
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Three sinusoidal waves of the same frequency travel along a string in the positive direction of an x axis. find the phase constant of the resultant wave
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you are the prosecuting attorney in a case. you are eliciting testimony from your star witness who has said that he was
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resultant vector R
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A 12.0 V battery is connected inseries with a resistor and an inductor. The series circuit has atime constant of 597 µs, and themaximum current is 302 mA. What is thevalue of the inductance
A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire f..
A 4·cm tall candle is placed 300·cm from a lens with a focal length of +60·cm. Note: enter the absolute value of your answers for all distances and heights, How far from the lens will the image be
How much work does a steam crane need to do in order to lift a 108,500 kg locomotive back onto the track if the locomotive has been derailed into a ditch 3.25 meters below the level of the tracks
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