Physics, 26.01.2022 05:20 Samonerob2002
A battery-operated car utilizes a 12.0 V system. Initially, the car is at rest at the base of a 158 m high hill. Some time later, the 730 kg car reaches the top of the hill with a speed of 25.0 m/s. How much charge did the batteries move through the motor to accomplish this, neglecting friction
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What happens when a rubber rod is rubbed with a piece of fur?
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Select the correct answer. what does the process of natural selection involve?
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Physics, 23.06.2019 02:50
You are still fascinated by the process of inkjet printing, as described in the opening storyline for this chapter. you convince your father to take you to his manufacturing facility to see the machines that print expiration dates on eggs. you strike up a conversation with the technician operating the machine. he tells you that the ink drops are created using a piezoelectric crystal, acoustic waves, and the plateau-rayleigh instability, which creates uniform drops of mass m = 1.25 ✕ 10−8 g. while you don't understand the fancy words, you do recognize mass! the technician also tells you that the drops are charged to a controllable value of q and then projected vertically downward between parallel deflecting plates at a constant terminal speed of 20.0 m/s. the plates are ℓ = 2.15 cm long and have a uniform electric field of magnitude e = 6.40 ✕ 104 n/c between them. noting your interest in the process, the technician asks you, "if the position on the egg at which the drop is to be deposited requires that its deflection at the bottom end of the plates be 0.17 mm, what is the required charge on the drop (in c)? " you quickly get to work to find the answer. (neglect the force of gravity.)
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Physics, 23.06.2019 05:00
Awaiver with a period of 0.008 second has a frequency of a. 800hz. b. 80hz. c. 125hz. d. 12.5hz.
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A battery-operated car utilizes a 12.0 V system. Initially, the car is at rest at the base of a 158...
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