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Solve the following question:
Question I: Water flowing through a garden hose of diameter 2.73 cm fills a 21.0 L bucket in 1.50 min. What is the speed of the water leaving the end of the hose?
Question II: A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle?
Please show how you got the answer.
A very tall flagpole, temporarily charged uniformly by lightning, What is the linear density of the charge on the flagpole
suppose that a stray neutron with an initial speed of 2.3 times 107 ms is just barely captured by a nucleus with
What is the average force provided by a crash pad that stops a 70.0 kg athlete who hits the pad at 10.0 m/s if it takes 1.20 s to stop the athlete?
A certain single ion channel is selectively permeable to K and has a resistance of 1.15 G?, How many K ions travel through the channel during this time
you are bowling and have one pin left standing. you roll the 10kg bowling ball at a velocity of 1 m s into the 1kg pin
q1. an important news announcement is trans- mitted by radio waves to people who are 122 km away sitting next to their
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
A 120 gram ball moving to the right at 4 m/s catches up and collides with a 440 gram ball that is moving to the right at 1.2 meter per second. If the collision is perfectly elastic, determine what is the speed of the 120 gram ball after the collisi..
A 10,000 kg railroad car is rolling 2.00 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
a copper pot with a mass of 0.475 kg contains 0.195 kg of water and both are at a temperature of 21.0 degree c . a
What is the direction of the electric field at point P and determine the linear charge density. Put your answer in terms of q, L, a, and physical constants.
What is the efficiency of a pump that uses 3.5kW of electrical power in raising 200 litters of water through a height of 12m in 10 seconds
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