Question

What is the escape speed of an electron launched from the surface of a 1.1-cm-diameter glass sphere that has been charged to 10 nC ?

Answer #1

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Part A
What is the escape speed of an electron launched from the
surface of a 1.5-cm-diameter glass sphere that has been charged to
9.0 nC ?
Express your answer to two significant figures and include the
appropriate units.
v=

A 1.00-mm-diameter glass sphere has a charge of + 1.40 nC.
What speed does an electron need to orbit the sphere 1.40 mm
above the surface?

A 2.3 mm -diameter sphere is charged to -4.5 nC . An electron
fired directly at the sphere from far away comes to within 0.33 mm
of the surface of the target before being reflected. a.What was the
electron's initial speed? b.At what distance from the surface of
the sphere is the electron's speed half of its initial value?
c.What is the acceleration of the electron at its turning
point?

An electron is launched from the positive plate towards the
negative plate of a capacitor having radii of 3.00 cm and
separation distance of 2.50 mm. If the capacitor is charged to
±25.0 nC what speed is needed to just reach the negative plate?

A probe is launched vertically upwards from the surface of a
planet with a speed
v = 3/4 vesc
where vesc is the escape speed from the planet. The
planet has no atmosphere.
Determine, in terms of the radius of the planet R, the
maximum height from the surface of the planet reached by the
probe.

Two 15-cm-diameter metal disks separated by a 0.66-mm-thick
piece of Pyrex glass are charged to a potential difference of 1100
V What is the surface charge density on the disks? What is the
surface charge density on the glass?

A positively charged particle is released from rest at the
surface of a sphere with considerable mass, a radius of 1 cm, and a
charge of 20 uc. What is the speed of the particle after it has
been displaced by 3 cm? Assume that the sphere does not move and
that the radius of the particle is negligible.

A small glass bead has been charged to + 27.6 nC .
You may need the following information:
Mass of a proton: 1.67×10^−27kg
Mass of an electron: 9.11×10^−31kg
What is the magnitude of the acceleration of a proton
that is 3.49 cm from the center of the bead?
What is the direction of the acceleration of a proton
that is 3.49 cm from the center of the bead? (Away or Towards the
Bead)
What is the magnitude of the acceleration...

Two 10-cm-diameter charged disks face each other, 17 cm apart.
The left disk is charged to - 50 nC and the right disk is charged
to + 50 nC
By what distance has the proton been deflected sideways when it
reaches the far edge of the capacitor? Assume the field is uniform
inside the capacitor and zero outside the capacitor.

A small glass bead has been charged to + 20 nC . What is the the
acceleration of a proton that is 4.0 cm from the center of the
bead? Input positive value if the acceleration is derected toward
the bead and negative if it is directed away from the bead. What is
the the acceleration of an electron that is 2.5 cm from the center
of the bead? Input positive value if the acceleration is derected
toward the bead...

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