A small amber bead with a mass of 12.6 g and a charge of −0.646 µC is suspended in equilibrium above the center of a large, hori
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I’m sorry if i took up a lot of space, hope this is a valid approximate answer
Answer
given,
x(t) = A t + B t²
A = -4.1 m/s
B = 5.4 m/s²
a) velocity of the particle is equal to the differentiation of Position w.r.t. time
the above equation gives the function of velocity.
b) time at which velocity of particle is zero
v = -4.1 + 10.8 t
inserting v = 0 and calculating v
0 = -4.1 + 10.8 t
10.8 t = 4.1
t = 0.38 s
time at which velocity is zero is equal to 0.38 s.