An alpha particle, which is a helium nucleus, has a mass of 6.64 x 10-27 kg. it is traveling horizontally at 42.3 km/s when it enters a uniform, vertical 1.60 t magnetic field. what is the magnitude of the acceleration of the alpha particle while it is in the magnetic field?
7.70 x 1012 m/s2
3.26 x 1012 m/s2
5.49 x 1012 m/s2
1.06 x 1012 m/s2

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?