Physics, 02.10.2019 02:30 boonkgang6821
We can classify both the shovel and the garden trowel as compound machines. this is because each garden tool contains two simple machines,
a) a lever and a wedge.
b) a blade and a handle.
c) a lever and a pulley.
d) an inclined plane and a wedge.
Answers: 2
Physics, 21.06.2019 18:40
An observer that stands still as the electron moves by him, will observe
Answers: 3
Physics, 22.06.2019 03:50
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
Answers: 1
We can classify both the shovel and the garden trowel as compound machines. this is because each gar...
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