A particle of mass 8.62 g and charge 3.34 microcoulombs is accelerated throught a potential difference of 5,154. If it starts from rest, what is its final speed?
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A particle of mass 8.62 g and charge 3.34 microcoulombs is accelerated throught a potential difference of 5,154. If it starts from rest, what is its final speed?
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- A bare helium nucleus has two positive charges and a mass of 6.64 x 10-27 kg. (a) Calculate its kinetic energy in joules at 8.40% of the speed of light. 2.34e-9 What is the basic definition of kinetic energy? J (b) What is this in electron volts? 1.46e10 What is the definition of an electron volt? ev (c) What voltage would be needed to obtain this energy? 7.3e9 Did you consider applying the conservation of energy principle? VOn planet Tehar, the free-fall acceleration is the same as that on Earth, but there is also a strong downward electric field that is uniform close to the planet's surface. A 1.98-kg ball having a charge of 5.22 ?C is thrown upward at a speed of 20.1 m/s. It hits the ground after an interval of 4.10 s. What is the potential difference between the starting point and the top point of the trajectory? (Use 9.8 m/s2 for the acceleration due to gravity.)What potential difference is needed to accelerate a He + ion (charge + e, mass 4 u ) from rest to a speed of 1.4\times 106 m/s ? Express your answer in volts.
- Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 130 V.m/s? (b) Calculate the speed of an electron that is accelerated through the same potential difference.What potential difference is needed to accelerate a He ion (charge +e, mass 4 u) from rest to a speed of 1.5×106 m/s Express answer in volts.Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 120 V. Calculate the speed of an electron that is accelerated through the same electric potential difference.
- What voltage is needed ot accelerate a proton from rest to 0.001 c (c is the speed of light)?(a) Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 154 V. m/s (b) Calculate the speed of an electron that is accelerated through the same potential difference. m/s Need Help?An electron gun consists of two parallel plates separated by a distanceof 1.00 cm. If an electron is injected close to the negative plate with aninitial velocity of 0, what does the potential difference need to be betweenthe plates to accelerate the electron to 3x107 m/s by the time it reaches theother plate?