A conceptual model of aluminum triflouride (AlF3) is approximately a square with charges at the corners. QD = −q QA = 3 q QC = −q QB = −q O What is the magnitude of the electric field EO at the center O?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.