Physics, 15.04.2020 02:28 batoolishak7475
Water flows at 0.65 m/s through a 3 cm diameter hose that terminates in a 0.3 cm diameter nozzle. At what speed does the water pass through the nozzle? If the pump at one end of the hose and the nozzle at the other end are at the same height, and if the pressure at the nozzle is 1 atm, what is the pressure at the pump outlet?
Answers: 2
Physics, 23.06.2019 07:30
An electron and a proton are held on an x axis, with the electron at x = + 1.000 m and the proton at x = - 1.000 m. part a how much work is required to bring an additional electron from infinity to the origin? express your answer with the appropriate units. part b if, instead of the second electron coming in from infinity, it is initially at x = + 20.00 m on the axis and is given an initial velocity of 100.0 m/s toward the origin, does it reach the origin? part c how close to the origin does it come?
Answers: 3
Physics, 23.06.2019 08:00
According to piaget’s stages of cognitive development, the child does not differentiate between self and other objects. the child repeats rewarding activities, discovers new ways to get what he or she wants, and may have imaginary friends. which period is described?
Answers: 1
Physics, 23.06.2019 08:30
Amoving freight car collides with an identical one that is at rest. if momentum is conserved, what happens to the second car after the collision? it attains the same speed as the first car. it moves at half the speed of the first car. it moves at twice the speed of the first car.
Answers: 3
Water flows at 0.65 m/s through a 3 cm diameter hose that terminates in a 0.3 cm diameter nozzle. At...
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