A particle of mass 6 x 105 kg and charge 3 μC moves downward from point A to point B a distance of 5 m in the earth's gravita- tional field. The kinetic energy of the particle decreases by 4.1 mJ during this movement. What is the potential difference VB - VA? The acceleration of gravity is 9.8 m/s². Answer in units of kV. 2
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- Two alpha particles (helium nuclei), each containing of two protons and two neutrons, have an electrical potential energy of 6.32 x 10 -19 What is the distance between these particles at this time?A particle with a charge of q = 11.0 µC travels from the origin to the point (x, y) = (20.0 cm, 50.0 cm) in the presence of a uniform electric field E = 250î V/m. Determine the following. (a) the change in the electric potential energy (in J) of the particle-field system (b) the electric potential difference (in V) through which the particle moves VA point charge q = +2.10 nC moves through a potential difference ΔV = Vf − Vi = +16.3 V. What is the change in the electric potential energy?
- An alpha particle (charge +2e) moves through a potential difference ΔV = -0.380 kV. Its initial kinetic energy is 7.50 × 10−16 J. What is its final kinetic energy? JAn alpha particle (charge +2e) moves through a potential difference ΔV = -0.200 kV. Its initial kinetic energy is 2.40 × 10−16 J. What is its final kinetic energy? need answer in JoulesWhat 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.
- Find the total electric potential energy QC has due to QA & QB.A proton (mass = 1.67 × 10-27 kg, charge = 1.60 × 10-19 C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 50 km/s. At point B the speed of the proton is 92.9 km/s. Determine the potential difference VB -VA (in units of А volts). Select one: O A. 24.02 О в. 31.38 Ос. -50.38 O D. -31.99 O E. 2.12Two alpha particles (helium nuclei), each containing of two protons and two neutrons, have an electrical potential energy of 6.32 x 10 -19 J. What is the distance between these particles at this time?
- A particle of mass 3 × 10−5kg and charge1 µC moves downward from point A to pointB a distance of 3 m in the earth’s gravitational field. The kinetic energy of the particledecreases by 3.6 mJ during this movement.What is the potential difference VB − VA?The acceleration of gravity is 9.8 m/s2.Answer in units of kV.nid=8938&page=7 Find the electric potential energy (in units of J) stored in a system composed of two point chargesiq=75 pC dnd g2=153 µC when separated by a distance of 3.5 mm between them Select one: OA. 295.1 OB. 111.5 OC 180.3 OD. 54.1 OE 65.6A computer monitor creates an image by accelerating electrons between parallel plates. If the accelerating plates have a potential difference of 26.7 kV, find the change in electric potential energy in joule for an electron that moves from one plate to the other in the computer monitor.