Ahockey puck is set in motion across a frozen pond. if ice friction and air resistance are neglected, the forced required to keep the puck sliding at constant velocity isa. equal to the weight of the puckb. the weight of the puck divided by the mass of the puckc. the mass of the puck multiplied by 9.8 m/sd. zero newtons

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Ways that industry and agriculture use physical properties to separate substances

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.