Physics, 31.08.2020 01:01 leannamat2106
Scott and Jafar are ready to work a problem. In this simulation, assume the coordinates of the points are as follows. A (0 s, 30 m); B (10 s, 50 m); C (20 s, 38 m); D (30 s, 0 m); E (40 s, −38 m); and F (50 s, −50 m) Recall the definitions of average speed, vavg ≡ d Δt , and average velocity in the x direction, vx ,avg ≡ Δx Δt . Find the average speed from circled A to circled F.
Answers: 1
Physics, 22.06.2019 13:50
9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.
Answers: 1
Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Physics, 22.06.2019 21:00
Acentrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. when switched off, it rotates through 54.0 revolutions before coming to rest. find the constant angular acceleration (in rad/s2) of the centrifuge. your response is within 10% of the correct value. this may be due to roundoff error, or you could have a mistake in your calculation. carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. rad/s2
Answers: 1
Physics, 22.06.2019 23:30
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
Scott and Jafar are ready to work a problem. In this simulation, assume the coordinates of the point...
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