could anyone tell me what this means? i was horrified then i realized i was dreaming that it was all a dream. i woke up thinking its just a dream to my horror i returned back to my dream.i always do that with dreams wake then return to where the dream left off. why do i do that? it was horrible...
traveling on a highway below.? The lump of concrete falls 4.6 m before impact, and the automobile has a speed of 72 km/h.
(a) What is the speed of impact of the lump in the reference frame of the automobile?
(b) What is the angle of impact? (measured from the vertical)