A particle (charge = 40 mC) moves directly toward a second particle (charge = 80 mC) which is held in a fixed position. At an instant when the distance between the two particles is 2.0 m, the kinetic energy of the moving particle is 16 J. Determine the distance separating the two particles when the moving particle is momentarily stopped

a. 0.75 m
b. 0.84 m
c. 0.95 m
d. 0.68 m
e. 0.56 m


C

Physics & Space Science

You might also like to view...

For a rod in tension, what material class provides the highest specific critical-stress intensity factor?

(a) Steels (b) Titanium alloys (c) Aluminum alloys (d) Uni-ply composites (GFRP, CFRP, and KFRP)

Physics & Space Science

A car travels for 140 km at 70.0 km/hr. It then travels an additional distance of 60.0 km 40.0 km/hr. The average speed is

A. 61.0 km/hr. B. 57.1 km/hr. C. 53.3 km/hr. D. 46.7 km/hr. E. 45.0 km/hr.

Physics & Space Science

What does not happen as the molecular cloud collapses?

A: It heats up B: It fragments into many pieces C: It forms one huge star D: It speeds up because as clumps get closer, gravity attracts them more E: None of the above

Physics & Space Science

Which of the following best describes the property of the period of orbital revolution for an Earth satellite?

a. greater when the orbital radius is smaller b. greater when the orbital radius is larger c. independent of the orbital radius d. determined mainly by the satellite's mass

Physics & Space Science