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An electron moves at 3.5×106 m/s into a uniform electric field of magnitude 429 N/C. The field is parallel to the electron’s velocity and acts to decelerate the electron. How far does the electron travel before it is brought to rest? The fundamental charge is 1.602×1019 C and the mass of an electron is 9.109×1031 kg . Answer in units of cm
A weight of 45.0 N is suspended from a spring that has a force constant of 180 N/m. Determine the maximum value of the driving force
ultraviolet light with a frequency of 3.0x10^15 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 7.43 ev. what is the work function of the metal
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
A flight attendant pulls her 74 N flight bag a distanceof 318 m along a levelairport floor at a constant velocity. Find the work done by the force of friction on the flight bag
A 8.00 Ω resistor, 10.0 mH inductor, and a 130 µF capacitor are connected in series to a 40.0 V (rms) source having variable frequency. Discover the energy delivered to the circuit through one period if the operating frequency is twice the resonance ..
A hot piece of copper (cc = 386J/kg·K) of mass mc = 3kg and unknown initial temperature Tc is dropped into a container of water (cw = 4186 J/kg · K) of mass mw = 1 kg, What is the initial temperature Tc of the copper
in our analysis of energy costs in transportation we focussed on the trip force associated with stopping and starting
A microscope has an objective lens of focal length 1.4 mm and aneyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mmfrom the objective. What is the overall magnification?
You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. What is the snail\'s displacement ?x in centimeters
A diverging lens (f = -11 cm) islocated 21 cm to the left of a converging lens (f =34.0 cm). What is the height of the final image
A washer is constructed from soft steel (density p = 7.9•10^3 kg/m^3). Its inside and outside dimensions are 2.00 cm and 3.30 cm, and it's thickness is 0.50 cm.
A capacitor consisting of two parallel plates connected to a 9V battery has a capacitance of 4 X 10-6 Farad. What is the charge of the capacitor?
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