Aliquid of density 1136 kg/m3 flows with speed 1.06 m/s into a pipe of diameter 0.26 m . the diameter of the pipe decreases to 0.05 m at its exit end. the exit end of the pipe is 4.25 m lower than the entrance of the pipe, and the pressure at the exit of the pipe is 1.2 atm . p1 1.06 m/s 0.26 m p2 v2 0.05 m 1.2 atm 4.25 m applying bernoulli’s principle, what is the pressure p1 at the entrance end of the pipe? assume the viscosity of the fluid is negligible and the fluid is incompressible. the acceleration of gravity is 9.8 m/s 2 and patm = 1.013 × 105 pa. answer in units of pa.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.