Aspherical balloon with a radius of 10.0 m is filled with helium. the weight of the balloon and the gondola is 1100 n. (the volume of a sphere is given by v = (4/3)(pi a.) draw a free body diagram for the balloon clearly labeling all forces. write down the equation which is obtained from newton’s second law. b.) what is the buoyant force on the balloon? c.) what is the acceleration of the balloon? d.) what is the maximum additional payload that could be carried by the balloon?

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?