Persons vision to permit to see distant objects
A nearsighted or shortsighted person has a near point of 20 and a far point of 40. Determine what power lens is needed to correct this person's vision to permit her to see distant objects?
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An engineer designed the rocket to hold 1.00 kg N2O4 and surplus the N2H4. Explain how much nitrogen would be formed according to engineer's design?
In the oxyacetylene torch the burning of acetylene, C2H2 in the oxygen is reaction. Calculate how much oxygen is required to burn the 20.0 kg of acetylene and the unbalanced equation is
The student consists of a mass of 67.0 kg, and the height of the water slide is 12.7 m. When the kinetic frictional force does -5.80 x 103 J of work, determine how fast the student is going at the bottom of the slide?
After the heating added the 65.0 grams of water initially at 26.8 C and it is having the final temperature is 31.8 C. Analyze the specific heat and Recognize the unknown piece of metal when the specific heat of water is 4.184J/gC.
Plane is heading due south and climbing at rate of 110 km/hr. If its airspeed is 540 km/hr and there is wind blowing 100 km/hr to northwest, find ground speed of the plane?
Find out the speeds of the two masses as they pass one other. Treat the pulley as a uniform disk. The acceleration of gravity is 9.8 m/s2. The answer must in units of m/s.
When the mass of 4 kilograms is tied to middle of clothesline, it sags the distance of 5 meters. Determine magnitude of tension on ends of clothesline?
An apple drops from the tree and falls liberally. The apple is initially at rest a height {H_0} above the top of the grass of a thick lawn that is made up of blades of grass of height {h}. When the apple enters the grass, it slows down at a consta
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