Physics, 04.02.2020 15:49 ytopete13p15c8p
A50-cm3 block of wood is floating partially submerged in water, and a 50-cm3 block of iron is totally submerged in water. which block has the greater buoyant force on it?
a) the wood
b) the iron
c) both have the same buoyant force.
d) the answer cannot be determined without knowing the densities of the blocks.
Answers: 2
Physics, 22.06.2019 18:00, abigail018
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
Answers: 1
Physics, 23.06.2019 06:30, lilzaya510
Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration
Answers: 1
A50-cm3 block of wood is floating partially submerged in water, and a 50-cm3 block of iron is totall...
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