1) A small sphere of mass, m = 250.0 g, carries a charge of q = -450.0 µC. It's tied to a massless 1) a. string of length, L = 8.00 cm. The string is tied to a horizontal post at point, P. There are two very large horizontal plates at y = +12.0 cm. (You can take the plates to essentially be infinitely large.) The top plate carries a charge of o, = +7.65 pC/cm2, and the bottom plate carries a charge of o, = -7.65 pC/cm2. The string is initially stretched and held at an angle of 0o = 94.0° with the positive x-axis. b. c. d. e. L. х :-450.0 µC. It's tied Figure 1 A small sphere of mass, m = 250.0 g, carries a charge of q = to a massless string of length, L = 8.00 cm, which is tied to a horizontal post at point, P. There are two very large horizontal plates at y = +12.0 cm. The top plate carries a charge of o, = +7.65 pC/cm2, and the bottom plate carries a charge of o, = -7.65 pC/cm2. The string is initially stretched and held at an angle of 0o = 94.0° with the positive x-axis. (Not to scale.) a) Where will the sphere be 1.25 seconds after it is let go? b) What is the sphere's velocity at this instant? c) If the string breaks at this instant, which plate will the sphere first hit? d) Where will it hit the plate? (Give the x-coordinate.) e) What will its velocity be at the instant it hits the plate?
1) A small sphere of mass, m = 250.0 g, carries a charge of q = -450.0 µC. It's tied to a massless 1) a. string of length, L = 8.00 cm. The string is tied to a horizontal post at point, P. There are two very large horizontal plates at y = +12.0 cm. (You can take the plates to essentially be infinitely large.) The top plate carries a charge of o, = +7.65 pC/cm2, and the bottom plate carries a charge of o, = -7.65 pC/cm2. The string is initially stretched and held at an angle of 0o = 94.0° with the positive x-axis. b. c. d. e. L. х :-450.0 µC. It's tied Figure 1 A small sphere of mass, m = 250.0 g, carries a charge of q = to a massless string of length, L = 8.00 cm, which is tied to a horizontal post at point, P. There are two very large horizontal plates at y = +12.0 cm. The top plate carries a charge of o, = +7.65 pC/cm2, and the bottom plate carries a charge of o, = -7.65 pC/cm2. The string is initially stretched and held at an angle of 0o = 94.0° with the positive x-axis. (Not to scale.) a) Where will the sphere be 1.25 seconds after it is let go? b) What is the sphere's velocity at this instant? c) If the string breaks at this instant, which plate will the sphere first hit? d) Where will it hit the plate? (Give the x-coordinate.) e) What will its velocity be at the instant it hits the plate?
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Transcribed Image Text:1) A small sphere of mass, m = 250.0 g, carries a charge of q = -450.0 µC. It's tied to a massless 1) a.
string of length, L = 8.00 cm. The string is tied to a horizontal post at point, P. There are two
very large horizontal plates at y = +12.0 cm. (You can take the plates to essentially be infinitely
large.) The top plate carries a charge of o, = +7.65 pC/cm2, and the bottom plate carries a charge
of o, = -7.65 pC/cm2. The string is initially stretched and held at an angle of 0o = 94.0° with the
positive x-axis.
b.
c.
d.
e.
L.
х
:-450.0 µC. It's tied
Figure 1 A small sphere of mass, m = 250.0 g, carries a charge of q =
to a massless string of length, L = 8.00 cm, which is tied to a horizontal post at point, P.
There are two very large horizontal plates at y = +12.0 cm. The top plate carries a charge of
o, = +7.65 pC/cm2, and the bottom plate carries a charge of o, = -7.65 pC/cm2. The string
is initially stretched and held at an angle of 0o = 94.0° with the positive x-axis. (Not to scale.)
a) Where will the sphere be 1.25 seconds after it is let go?
b) What is the sphere's velocity at this instant?
c) If the string breaks at this instant, which plate will the sphere first hit?
d) Where will it hit the plate? (Give the x-coordinate.)
e) What will its velocity be at the instant it hits the plate?
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