Physics, 06.11.2020 17:10 25jzaldivar
A structure containing air is attached to the floor of a lake. A rectangular hatch 2m in length and 1 m in width (into page) is located on an inclined wall and hinged on one end. Neglecting the weight of the hatch and friction in the hinge determine the minimum gauge pressure within the structure necessary to open the hatch. g
Answers: 2
Physics, 21.06.2019 18:50
How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
Answers: 1
Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
Answers: 1
A structure containing air is attached to the floor of a lake. A rectangular hatch 2m in length and...
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