Physics, 21.05.2021 21:20 pineappleliyah3
Which of the following changes increases the overall density of the object?
a. A block of iron is formed into hollow shape.
b. A submarine fills its ballast tanks with water.
c. A submarine fills its ballast tanks with air.
d. A fish increases the amount of gas in its swim bladder.
Answers: 1
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)
Answers: 1
Which of the following changes increases the overall density of the object?
a. A block of iron is f...
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