Question

8c28p9) An electron has an initial velocity of (13.0j + 15.5k) km/s and a constant acceleration of (1.20×1012 m/s^2)i in a region in which uniform electric and magnetic fields are present. If B =(400μT)i, find the electric field E.

Ex?

Ey?

Ez?

Answer #1

An electron has an initial velocity of (11.0j + 13.0k) km/s and
a constant acceleration of (1.90×1012 m/s2)i in a region in which
uniform electric and magnetic fields are present. If B =(400μT)i,
find the electric field E. Ex?Ey?Ez?

An electron has an initial velocity of (11.0j +
15.0k) km/s and a constant acceleration
of (1.00×1012m/s2)i
in a region in which uniform electric and magnetic fields are
present. If B =(400?T)i, find the
electric field E.
Ey?
Ez?

An electron has an initial velocity of (11.0j + 15.0k) km/s and
a constant acceleration of (1.00×1012 m/s2)i in a region in which
uniform electric and magnetic fields are present. If B =(400μT)i,
find the electric field E.

An electron has an initial velocity of (16.5ĵ + 14.4k̂) km/s,
and a constant acceleration of (1.91 × 1012
m/s2)î in the positive x direction in a region
in which uniform electric and magnetic fields are present. If B̂ =
(534 µT)î find the electric field Ê.

An electron enters a region of uniform electric field with an
initial velocity of 70 km/s in the same direction as the electric
field, which has magnitude E = 48 N/C. (a) What is the speed of the
electron 1.9 ns after entering this region? (b) How far does the
electron travel during the 1.9 ns interval?

An electron enters a region of uniform electric field with an
initial velocity of 42 km/s in the same direction as the electric
field, which has magnitude E = 51 N/C. (a) What is the speed of the
electron 1.3 ns after entering this region? (b) How far does the
electron travel during the 1.3 ns interval?

An electron enters a region of uniform electric field with an
initial velocity of 56 km/s in the same direction as the electric
field, which has magnitude E = 51 N/C.
(a) What is the speed of the electron 1.5 ns after
entering this region? (b) How far does the
electron travel during the 1.5 ns interval?

An electron enters a region of uniform electric field with an
initial velocity of 47 km/s in the same direction as the electric
field, which has magnitude E = 52 N/C. (a) What is the speed of the
electron 1.5 ns after entering this region? (b) How far does the
electron travel during the 1.5 ns interval?

An electron enters a region of uniform electric field with an
initial velocity of 50 km/s in the same direction as the electric
field, which has magnitude E = 52 N/C.
(a) What is the speed of the electron 1.3 ns after
entering this region? (b) How far does the
electron travel during the 1.3 ns interval?

An electron has velocity V = (29i + 38j) km/s as it enters a
uniform magnetic field B= 50 i µT. What are (a) the radius of the
helical path taken by the electron and (b) the pitch of that path?
(c) To an observer looking into the magnetic field region from the
entrance point of the electron, does the electron spiral clockwise
or counterclockwise as it moves? The charge of an electron is
-1.602 × 10-19 C and its...

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