Physics, 22.03.2021 21:20 airelle146
A steel block with a density of 7800 kg/m3 is suspended
from a string in a beaker of water so that the block is com-
pletely submerged but not resting on the bottom. The block
is a cube with sides of 3 cm (0.03 m).
a. What is the volume of the block in cubic meters?
b. What is the mass of the block?
c. What is the weight of the block?
d. What is the buoyant force acting on the block?
e. What tension in the string is needed to hold the block in
place?
Answers: 1
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Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?
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Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Write a full page that sumerizes thermodynamics it’s from the website visionlearnig
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Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
A steel block with a density of 7800 kg/m3 is suspended
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