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A mass attached to a spring is lifted 10cm and then let go at which point the mass bobs up and down completing 4 oscillations in 10 sec. When does the mass first reach its maximum speed and what is that speed?
A charge of 3.0 x 10^8 C exerts a force of 0.045 N on a charge of 5.0 x 10^-7 C. How far apart are the charges
An object is 13 cm in front of a convex mirror whose focal length magnitude is 9 cm. What is the magnitude of the distance from the image to the mirror?
station kaim in hawaii broadcasts on the am dial at 870 khz with a maximum power of 50000 w. at maximum power how many
Assuming that all the heat generated by the resistor is absorbed by the solid substance, and that it takes 4 minutes to raise the temperature from 20to 80 degrees C, compute the specific heat for the substance.
A 35.0V battery with negligible internal resistance, a 50.0V resistor, and a 1.25mH inductor with negligible resistance are connected in series with an open switch. The switch suddenly closed.
Three capacitors in series, with capacitance 3.0micro Farads,5.0 and 6.0 are connected in series to a 21.0V independent voltagesource. what charges are on the plates of each capacitor
The frequency of light reaching Earth from a particular galaxy is 16% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
a series combination of a 9 k resistor and an unknown capacitor is connected to a 12 v battery. one second after the
A ping-pong ball has an average density of 0.0840 g/cm3 and a diameter of 3.80 cm. What force would be required to keep the ball completely submerged under water
Two charges are placed on the x axis. One charge (q1 = +12.5 µC) is at x1 = +3.0 cm and the other (q2 = -13 µC) is at x2 = +9.0 cm. Find the net electric field (magnitude and direction) at the following locations. (a) x = 0 cm magnitude N/C direc..
Calculate the magnitude of the linear momen- tum for each of the following cases a) a proton with mass 1.67×10^?27 kg mov- ing with a velocity of 6 × 10^6 m/s. Answer in units of kg · m/s b) a 1.6 g bullet moving with a speed of 371 m/s to the right...
A person sees a heavy stone strike the concrete pavement. A, moment later two sounds are heard from the impact: How far away did the impact occur
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