Two particles, with identical positive charges and a separation of 2.85 x 10⁻² m, are released from rest. Immediately after the
release, particle 1 has an acceleration vector a₁ whose magnitude is 4.50 x 10³ m/s², while particle 2 has an acceleration vector a₂ whose magnitude is 8.15 x 10³ m/s². Particle 1 has a mass of 6.40 10⁻⁶ kg.
Find
(a) the charge on each particle _______ C and
(b) the mass of particle 2. ________ kg
Find
(a) the charge on each particle _______ C and
(b) the mass of particle 2. ________ kg
1 answer:
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Answer:
Explanation:
Assuming no energy lost, according to the law of conservation of energy, the kinetic energy of the automobile becomes potential energy after the crash:
Here m is the automobile's mass, v is the speed of the car before impact, k is the "bumper" constant and x is the compression of the bumper due to the collision. Solving for v: