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- (a) Find the potential difference ΔⅤe required to stop an electron (called a "stopping potential") moving with an initial speed of 2.12 x 107 m/s. .128 Your response is off by a multiple of ten. kVA charge of 2C moves between two plates maintained at a potential difference of 1V. What ia the energy acquired by the charge ?How much work (in eV) does it take to move a 7 protons through a 2 V potential difference?
- The Earth's electric field creates a potential that increases 100 V for every meter ofaltitude. If an object of charge +4.5 mC and mass 68 g falls a distance of 1.0 m from restunder the influence of the Earth's electric and gravitational fields, what is its finalkinetic energy?An evacuated tube uses an accelerating voltage of 26.026.0-kV to accelerate electrons to hit a copper plate and produce x-rays. Non-relativistically, what would be the maximum speed of these electrons? Enter your answer to 3 sigfigs in the coefficient and in calculator notation. Ex: 3.00E8. This problem required units.The assignment will be completed after one hour and 15 minutes. I want to answer before this one and get a high rating An electron is released from rest near the negative plate. lf the voltage difference between the plates aV = Vba = 20 kv, what ould its velocity be when it reaches the positive plater (charge of the electron e= - 1.602x10C and mass of the electron me=9.109x10kg)
- A 5.0 x 10 15 m. FIND THE EPE BERYLLIUM NUCLEUS CONTAINS FOUR PROTONS SE PARATED BY STORE D IN THIS NUCLEUS. THE CAPACITANCE OF A PARALLEL PLATE CAPACITOR 1S 15 uF. A DIFFERENCE OF POTENTIAL a) FIND THE b) FIND THE (5 %3D S 12.0 VOLTS IS PLACED ACROSS ITS PLATES . CHARGE ON E ACH PLATE ELE CTRIC FIELD BETWEEN THE PLATES IF THE SEPARATION PLATE Is 1.5 mm .The capacitor of a defribrillator with 1 μF is charged to 9000 V. Calculate the stored charge.350V A parallel - plale capocitor is held at a potia l dofference of 350v., A proton is fired toword snall hole in the pble with 35ov polentiol with speed og 2.0x)0ms. what is its peed when it the hole in the plale with zero potestial? enepes throygh the
- Suppose an electron (q = -e = -1.6 x 10¬9 C,m=9.1 x 10¬3' kg) is accelerated from rest through a potential difference of Vab = +5000 V. Solve for %3D the final speed of the electron. Express numerical answer in two significant figures. The potential energy U is related to the electron charge (-e) and potential Vab is related by the equation: U = Assuming all potential energy U is converted to kinetic energy K, K+U = 0 K = -U 1 Since K mv and using the formula for potential energy above, we arrive at an equation for speed: 2 v = ( 1/2 Plugging in values, the value of the electron's speed is: x 107 m/s V=Calculate the speed of a proton and an electronic after each particle accelerates from rest through a potential difference of 355V.how many energy in J is required to move a charge of 12mc through a difference in potential of 6V?