A horizontal force is applied to a 214 lb cart that is on a level surface. The cart starts from rest. The force initially is 98 lbs, and decreases over 9.6 seconds to 0 lb. Determine the initial acceleration of the cart. Ignore air resistance and friction. (include units with answer) A: 14.7 ft/s^2 C: 14.75 ft/s^2 Hints: 0,0

Research and discuss the aurora borealis in terms of electric charges, magnetic fields, and forces. which times of the year are best for seeing the northern lights, and where are the best places to view them? explain your answers. also identify links to good images. if you’ve ever seen the aurora borealis, describe your experience and note the time and place that you saw it.