A charged particle (mass = 4.0 mg, charge = 5.0 mC) moves in a region where the only force on it is magnetic. What is the magnitude of the acceleration of the particle at a point where the speed of the particle is 5.0 km/s, the magnitude of the magnetic field is 8.0 mT, and the angle between the direction of the magnetic field and the velocity of the particle is 60°?
a. 39 km/s2
b. 43 km/s2
c. 48 km/s2
d. 52 km/s2
e. 25 km/s2
B
You might also like to view...
In what sense is our modern concept of an "atom" not accurate to its ancient meaning?
A) "Atom" means indivisible, but we now know that atoms are actually made of smaller particles. B) "Atom" means particle, but we now know that particles also have the properties of waves. C) "Atom" means identical, but we now know that not all atoms are the same. D) "Atom means solid, but we now know that atoms are mostly empty space.
What is the binding energy per nucleon for Al? The neutral Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. 1 u = 931.494 MeV/c2
A) 8.3 MeV B) 6.7 MeV C) 5.4 MeV D) 3.4 MeV E) 2.8 MeV
Olga is nearsighted and cannot see things beyond 90 cm cm from her eyes. What is the refractive power of the contact lenses that will enable her to comfortably see distant buildings clearly?
A) +1.1 diopters B) -1.1 diopters C) -1.7 diopters D) -2.2 diopters E) +2.2 diopters
An antinode in a standing wave is the location that appears to ________ (describe behavior) from equilibrium.
What will be an ideal response?