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Develop a computer program or use a spreadsheet or equation solver that determines the value of the cutoff ratio that causes the Diesel ASC thermal efficiency to become zero as the compression ratio ranges from 12.0 to 30.0 for the following values of k: 1.40, 1.35, 1.30, 1.25, and 1.20.
Plot these results (either manually or with a computer) with the cutoff ratio on the vertical axis and the compression ratio on the horizontal axis, using k as a parameter for the family of curves.
Object A, which has been charged to +12.39 nC, is at the origin. Object B, which has been charged to -25.5 nC, is at x=0 and y=2.07 cm. What is the magnitude of the electric force on object A?
A light ray incident on a block of glass makes an incident angle of 50.0° with the normal to the surface. The refracted ray in the block makes an 36.1° with the normal. What is the index of refraction of the glass?
Jason has a 45-power telescope whose objective lens has a focal length of 120 {\rm cm}. What is the angular magnification of his sister when viewed through the "wrong" end of the telescope
A high driver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting at rest. what average upward force did the water exert on her
An RLC circuit has a 400 ohms resistance a 2.5 mH inductor and a capacitor. what is the power dissipated by the circuit
Two identical 30 {rm g} particles each carry 3 {rm mu C} of charge. One is held fixed, and the other is located 1 {rm mm} away and released. Find the speed of the moving charge when it's 1{rm cm} from the fixed charge.
youre driving down the highway late one night at 20 ms when a deer steps onto the road 35 m in front of you. your reac-
The electric field midway between two equal but opposite point charges is 878N/C , and the distance between the charges is 25.0cm. What is the magnitude of the charge on each (in C)?
Two planes approach each other head-on. Each has a speed of 790km/h, and they spot each other when they are initially 7.0 km apart. How much time do the pilots have to take evasive action
A layer of ice has formed on a shallow pond. The air just above theice is at -5.21 °C, the water-ice interface is at 0 °C, how thick is the ice
A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
A builder will use wood for floor support in building a house. The Young's modulus for this wood is 12 x 10^9 Newtons/meter^2. What would be the length of wood joists if the sag is not more than 25ft
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