A freeze can lower the temperature of water by 0.25℃ per minute until it reaches -10℃. If water at 20℃ is now put into the freezer,find
(a)the temperature of the water inside the freezer after 1 hour,
(b)the time required by the freezer to change the water into ice (given that water freezer to ice at 0℃)
(c)the temperature of the water (or ice) inside the freezer after 2 hours 30 minutes.
唔該比埋列式,thx