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A glass flask at 0 degrees Celsius is filled to the brim with 1000 cm(^3) of mercury, also at 0 degrees Celsius. When the flask and mercury are heated to 100 degrees Celsius, 13.4 cm(^3) of mercury overflows. If the coefficient of volume expansion of mercury is 18x10(^-5) (K^-1), what is the coefficient of volume expansion in the glass?
A 47-g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.2 m.
What is its angular displacement in this time.
A negative charge (-q) with a mass of 0.29 kg is dangling vertically on a string. Directly below this charge, is a charge with same amount of charge, but with the opposite sign (+q). When it is located 22.74 cm below the charge on the string, the ..
A flight attendant pulls her 63N flight bag a distance of 308m along a level airport floor at a constant velocity. The force she exerts is 45N at an angle of 57° above horizontal. Find the work she does on flight bag.
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
The mean (average) of their squares
Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.
When a car makes a sharp left turn, what causes the passenger to move toward the right side of the car? inertia, centripetal force, centrifugal force, or centripetal acceleration ?
On a level road with its brakes on, a car traveling at 93km/hr stops within 92m when the brakes lock and the car slides.
In order to clearly read a book 24 cm away, a farsighted girl needs an image to be 35 cm from her eyes. What focal length is necessary for lens in her eyeglasses.
An intergalactic rock star bangs his drum every 1.52 s. A person on earth measures that time between beats is 2.10 s. How fast is the rock star moving relative to the earth.
If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 2.2 m on Earth, what would be his maximum range on the Moon, where free-fall acceleration is g/6 and g = 9.80m/s2.
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