A 2-kg object is is dropped from rest and free falls from the top of a tall building. After 4 seconds of free fall, its speed will be approximately ___ m/s and its distance of fall will be approximately ___ meters.

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?

What are the dimensions of the cross section that passes through the points a, f, g, and d?