Asubmarine sends a signal and receives an echo after 5 seconds. calculate the speed of sound if distance of object from submarine in 3625m.

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Name two kinds of practical electric pumps.