MATH
Julie is solving the equation x2 + 6x + 9 = 0 and notices that the discriminant b2 - 4ac has a value of 0. This tells her that the equation has...
12th grade goverment
who could vote in elections for colonial legislatures
chemistry
how do i find the specific heat of a metal??
Chemistry
How much silver is present in 3.5 ml of a 1 molar silver nitrate solution?
PHysics
The sound emitted by bats has a wavelength of 3.45 mm. What is the frequency in air? The speed of sound in air is 343 m/s.
Physics
If a proton is moving in a magnetic field with a speed of 4 × 106m/s and is executing uniform circular motion with a radius of 10 cm, what is the magnetic field?
Physics
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an electric field. The magnetic field is B = (1 x - 2 y + 4 z)T. If the electron experiences no force as it moves, calculate the electric field.
Physics
A charged particle is moving downward with an initial speed of 5 × 106m/s when it encounters a uniform magnetic field that points east to west. (a) If the initial force on the particle is to the north, is the particle positive or negative? (b) If B = .25 T and the partic...
Physics
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an electric field. The magnetic field is B = (1 x - 2 y + 4 z)T. If the electron experiences no force as it moves, calculate the electric field.
Physics
An electron is shot into a uniform magnetic field B = (.5 x + .8 y)T with an initial velocity of v = (4 x + 3 y) × 106m/s. What is the force on the electron?
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