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The drawing shows a 182-kg crate hanging from the end of a steel bar. The length of the bar is 0.08 m, and its cross-sectional area is 4.00 10-4 m2. Neglect the weight of the bar itself.
(a) Determine the shear stress on the bar.
N/m2
(b) Determine the vertical deflection Y of the right end of the bar.
m
An observatory has an 8-inch Celestron telescope. Estimate the diffraction limit of this telescope. Estimate the minimum size a feature on the surface of the Sun must have to be resolved by this telescope.
A car moving with an initial speed v collides with a second stationary car that is 49.0 percent as massive. Calculate the final speed of the second car
Two shoppers walk from the door of mall to their car, that is 250m down a lane of cars and then turn 90 degrees to the right and walk an additional 60m what is the magnitude of the displacement of the shopper's car from mall door.
What is the wavelength of the electromagnetic waves used for cell phone communications in the 900-MHz band?
A neutral conductor completely encloses a hole inside of it. you observe that the outer surface of this conductor carries a charge of -12 microC. how much charge is on the inner surface of the conductor
Please use your notes, book, or other source to find a relationship (equation) that describes the motion of a mass oscillating on a spring. How could you predict how fast the mass will oscillate
You want a screen to be illuminated with an intensity of 662 mW/m2. The screen is 10.05 m away from the light source, What is the power of the light source
An object located 25.0 cm from a convex mirror produces a virtual image 16 cm from the mirror. What is the magnification of the image
Find the resonance frequency of the ear canal, Treat it as a half-open pipe of diameter 8 mm and length 26.7 mm
A 1500 microfarad capacitor and a 5600 microfarad capacitor are connected in parallel across a 12.0 V potential difference. Determine the total energy stored in the capacitors
A bicycle and its rider together has a mass of 78 kg. What power output of the rider is required to maintain a constant speed of 5.0 m/s (about 11.2 mph) up a 5.0% grade
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 5.5×10?3m/s2 less than that at sea level
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