An alpha particle (m = 6.7 × 10^?27 kg, q = +3.2 × 10^?19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle during this motion. Determine the electric potential difference VA ? VB

a. +4.2 V
b. ?4.2 V
c. ?9.4 V
d. +9.4 V
e. ?8.4 V


b

Physics & Space Science

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The two principal agents of metamorphism are heat and ______________

Fill in the blank(s) with correct word

Physics & Space Science