Physics, 25.02.2020 20:53 rosieposie27
Oil having a density of 930 kg/m3 floats on water. Arectangular block of wood 4.00 cm high and with a density of 960kg/m3 floats partly in the oil and partly in the water. The
oil completely covers the block. How far below the interfacebetween the two liquids is the bottom of the block?
Answers: 2
Physics, 21.06.2019 17:00
Why is alternating current more effective at longâdistance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
Answers: 2
Oil having a density of 930 kg/m3 floats on water. Arectangular block of wood 4.00 cm high and with...
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