Cliff divers at acapulco jump into the sea
from a cliff 31.5 m high. at the level of the
sea, a rock sticks out a horizontal distance of
12.49 m.
the acceleration of gravity is 9.8 m/s.
with what minimum horizontal velocity
must the cliff divers leave the top of the cliff if
they are to miss the rock?
answer in units of m/s.

On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281