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Here is the problem which I am struggling on, please help me!
Problem: If the diameter of the hole is 9.00cm at 20 degree Celsius and the temperature of the oven is 200 degree Celsius, what will be the new area of the hole?
Please show how you get the answer.
A uniform beam of mass 10 kilogram is supported only at its ends. A workman stands on the beam, one quarter of the way from one end. Determine what force must support the end
suppose the wind speed in a hurricane is 107 mph. a find the difference in air pressure pa outside a home and inside a
At a point where an irrigation canal having a rectangular cross section is 18.9 m wide and 3.65 m deep, the water flows at 2.55 cm/s. How deep is the canal at this point
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A microscope has an objective lens of focal length 6.00 mm. The objective forms an image16.5 cm from the lens. The focal length of the eyepiece is 2.80 cm and the distance among the lenses is 19.3 cm.
A cylinder of cross-sectional area 11 cm2 is fitted with a piston, which is connected to a spring with a spring constant of 1250 N/m, as shown in the figure. The cylinder is filled with 0.0050 mole of a gas.
A tuning fork produces a steady 400 Hz tone. When this tuning fork is struck and held near a vibrating guitar string, What are the possible frequencies produced by the guitar string
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A charge of q = +7.22 ?C is located in an electric field. The x and y components of the electric field at this point are Ex = 6.48E+3 N/C, What is the magnitude of the force on the charge
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
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