Physics, 23.02.2021 09:00, sascsl7973
The critical angle for light passing from a clear substance into air is 40.50°.Calculate the index of refraction of the substance.
Answers: 3
Physics, 22.06.2019 00:40, naomicervero
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Physics, 22.06.2019 14:30, joslynndiggs
Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
Answers: 1
Physics, 22.06.2019 18:30, Jasten
Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
Physics, 22.06.2019 22:50, erinharrington15
What is an electric motor? explain its operation. 2-3 sentence
Answers: 1
The critical angle for light passing from a clear substance into air is 40.50°.Calculate the index o...
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