Alyssa is carrying a water balloon while running down a field at a speed of 14 m/s. she tosses the water balloon forward toward a bucket with a speed of 23 m/s. alyssa’s friend naya is standing still next to the field. which statement is supported by this scenario? a. the speed of the balloon is 23 m/s for alyssa and 14 m/s for naya. b. the speed of the balloon is 37 m/s for alyssa and 23 m/s for naya. c. the speed of the balloon is 14 m/s for alyssa and 23 m/s for naya. d. the speed of the balloon is 23 m/s for alyssa and 37 m/s for naya.

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute

It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.2 gpa). as one goes deeper and deeper in the ocean, the pressure increases by 10000 pa for every meter below the surface. if a diver goes down 80.0 m in the ocean, by how much does each cubic centimeter of her blood change in volume? give the answer in cubic centimeters (actually one cubic centimeter equals one milliliter).

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants