Between 0°c and 30°c, the volume v ( in cubic centimeters) of 1 kg of water at a temperature t is given approximately by the formula v = 999.87 − 0.06426t + 0.0085043t2 − 0.679t3 find the temperature at which water has its maximum density. (round your answer to four decimal places.) t = °c

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Drag each tile to the correct box. tiles bra i sequence