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Water flows steadily from a tank mounted on a cart as shown in Fig. 5.46. After the water jet leaves the nozzle of the tank, it falls and strikes a vane attached to another cart. The cart's wheels are frictionless, and the fluid is inviscid.
(a) Determine the speed of the water leaving the tank, V1, and the water speed leaving the cart, V2.
(b) Determine the tension in rope A.
(c) Determine the tension in rope B.
An electron is accelerated through 2,400 V from rest and then enters a region where there is a uniform 1.70 T magnetic field. What is the maximum magnetic force this charge can experience?
A truck travels 2.75 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 6.00 min. What is the magnitude of the average velocity for this trip
The archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish's mouth. How much time will the beetle have to react
A simple pendulum in a science museum entry hall is 3.51m long, has a 1.25kg bob at its lower end, and swings with an amplitude of 10.50 degrees. How much time does the pendulum take to swing from its extreme right side to its acute left side.
A popcorn kernal initially at rest, explodes into two peices, one haveing twice the mass of the other. What is the ration of velocities of the frgament
A car is normally capable of an acceleration of 3m/s2. If it is towing a trailer with half as much mass as the car itself, what acceleration can it achieve?
A camera is supplied with two interchangeable lenses, whose focal lengths are 41.0 and 150.0 mm. What is the height (including sign) of her image on the image sensor
Two capacitors, one 12.0 μf and the other of unknown capacitance, are connected in paralel across a battery of EMF 9.0V. The total enery stored in the two capacitors is 0.0115 J. A) What is the unknown capacitance, C?
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 55.0 uA. What is the current density in the electron beam
A person has severe hearing loss that reduces the intensity in his inner ear by 39.1 dB. What amplification factor is needed for this person
A certain battery has an emf of 9.1V and an internal resistance of 1.5 ohms. If the battery is connected to resistors of 8.0 ohms and 24.0 ohms in parallel, what is the current through the battery?
At a distance of 7.0 km from a radio transmitter, the amplitude of the radiated electric field of the radio transmissions is measured to be 0.20 volts/meter. what is the total power emitted by the radio station
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