The volume of an object as a function of time is v(t) = at³, where a is a constant. let l and t denote dimensions of length and time, respectively. what is the dimension of the constant a?
a) l³ x t³
b) l² / t
c) l³ / t³
d) l / t³
e) l / t

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

Avoltaic cell converts chemical energy to

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.