Question 1
Water is discharged from a pipeline at a velocity v given by

where p is the pressure

If the water pressure is changing at a rate of

find the acceleration

of the water when

◦ 48.72 ft/sec
2◦ 131.68 ft/sec
2◦ 58.86 ft/sec
2◦ 2177.91 ft/sec
2Question 2
Water is falling on a surface, wetting a circular area that is expanding at a rate of

How fast is the radius of the wetted area expanding when the radius is

(Round approximations to four decimal places.)
◦ 111.0028 mm/sec
◦ 0.0090 mm/sec
◦ 0.0180 mm/sec
◦ 0.0566 mm/sec