Physics, 30.11.2021 23:00 sierralynnbaldp16d4b
A wooden barrel full of water has a flat circular top of radius 25.0 cm with a small hole in it. A tube of height 8.00 m and inner radius 0.582 cm is suspended above the barrel with its lower end inserted snugly in the hole. Water is poured into the upper end of the tube until it is full. The density of water is 1.00 × 103 kg/m3. What is the force with which the water in the barrel pushes up on the top of the barrel?
Answers: 3
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Select the correct answer. brian is repairing an old alarm clock. he needs to replace a device that converts the electric energy into sound energy. which of these devices should he use? a. battery b. buzzer c. motor d. switch
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10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!
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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
Answers: 3
A wooden barrel full of water has a flat circular top of radius 25.0 cm with a small hole in it. A t...
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