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The largest barometer ever built was an oil-filled barometer constructed in Leicester England in 1991. The oil had a height of 12.2 meter. Suppose the pressure of 1.013 x 105Pa, Determine the density of the oil used in the barometer?
A 2 kg rock is released from rest at a height of 29 m. neglect air resistance and determine the kinetic energy, gravitational potential energy, and total mechanical energy at each of the following heights: 20m; 15m; 5m; 9m.
A cat walks along a uniform plank that is 4.00 m long and has a mass of 7.00kg the plank is upported by two sawhorses. What is the mass of the cat
Find the electric field inside the cylinder
In reaching her destination, a backpacker walks with an average velocity of 1.05 m/s, due west. How far did she walk
A lens which is 40.0 cm from an object forms an image of the object on a card 20.0 cm away. Determine what is the focal length of the lens? If the height of the image is .75 cm, what is the height of the object?
an assembly line has a staple gun that rolls to the left at 1.50 while parts to be stapled roll past it to the right at
A dock worker applies a stable horizontal force of 79.0 {rm N} to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 14.0 {rm m} in the first 6.00 {rm s}.What is the mass of the bl..
In the process of making lead shot, molten lead is drippedinto water. The lead forms small drops that harden to formthe shot. what is the final temperature
The energy released by nuclear bombs is measured in kiloton (kt) or megaton (Mt) units. One kiloton is a unit of energy released by 1000 tons of trinitrotoluene (TNT). One kiloton is 4.2×1012 joules. The yield of fission bombs is typically between..
A positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged, horizontallyoriented plates spaced 16 cm apart.
The force on a string is 198 N and the string's linear mass is 1.9 kg/m. What is the speed of waves on the string
a 1150 kg car rolling on a horizontal surface has speed v 50 kmh when it strikes a horizontal coiled spring and is
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