When using a pencil eraser, you exert a downward force of 7.5 N at a distance of 2.2 cm from the hardwood-eraser joint. The pencil has a 3.4 mm radius and is held at an angle of 16° to the horizontal. The shear modulus of wood is 1.00 × 1010 N/m2 and the strain modulus is 1.50 × 1010 N/m2. By how much does the wood flex perpendicular to its length in meters? How much is it compressed lengthwise in meters?
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Physics, 21.06.2019 14:40
A50.0-n box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. you observe that at one instant the box is sliding to the right at and that it stops in 2.25 s with uniform acceleration. what magnitude force does friction exert on this box
Answers: 1
Physics, 21.06.2019 21:30
Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
Answers: 1
Physics, 21.06.2019 23:00
The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m
Answers: 1
When using a pencil eraser, you exert a downward force of 7.5 N at a distance of 2.2 cm from the har...
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