1. What do you call the continuous change in position of a body relative to a pon reference point, as measured by a particular observer in a particular frame
of reference?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules