Engineering

prove that Sin^6 -cos^6=(2Sin^2-1)(cos^2+sin^4) please sove step by step with language it is opt maths question guys i willl give you 100 point and mark as brainlest answer
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A gear component (0.2% C) is carburized with C for increased hardness. By specification, a carbon concentration of 0.75% C is required at an 80 um depth. Calculate the time required (ir hours) at 1100C with the gas surface concentration of 1.3 % C. D=5x10-13 m2/s. Show relevant steps how you arrived at the answer Comment on whether the suggested carburizing time of 3 hours is sufficient, also mention the calculated time in hours
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What is the value of current if a 50c charge flows in a conductor over a period of 5 seconds
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there are many different values associated with an AC sine wave which one of the following continually changes throughout the cycle?A. instantaneous valueb. effective valuec. peak valued. average value
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Why do we use radians in numerical methods? What is the problem of using degrees?
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Suppose we have 999 records of employees Emp1, Emp2, Emp5, Emp6 and so on up to Emp998 and Emp999 stored in a sequence. Hence, records are nothing but a row in the table. In the employee table, we want to insert new records Emp3 and Emp4 in the sequence, and once we have done insertion we need to update and retrieve the record efficiently to optimize the performance of a database by minimizing the access time when query is being executed.
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There are some sections of the SDS that are not mandatory True or false
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Side milling cutter is an example of ______ milling cutter.
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answer this qustion plz
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Which tool is used to measure movement automotive
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The end of the industrial robotic arm extends along the path (r = 2 + 2 cos (5t)) m. At the instant ( 0 = 0.8t ) radians. When the arm is located at (t = 0.85) second Determine the velocity and acceleration of the object A at this instant.
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The base of an aluminum block, which is fixed in place, measures 90 cm by 90 cm, and the height of the block is 60 cm. A force, applied to the upper face and parallel to it, produces a shear strain of 0.0060. The shear modulus of aluminum is . What is the displacement of the upper face in the direction of the applied force
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Hydraulic fracturing is: Select one: a. a first step in storage of high-level radioactive waste b. a way of extracting natural gas shale formations c. a step in oil refining where oil is separated into different viscosities d. none of the above
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You toss two coins. If you get heads with the first coin, you stop. If you get tails, you toss it again. The second coin is tossed regardless. What is the ratio of heads to tails?
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Consider the following lines of Python:>>> x = input()>? 12>>> x + abcWhat is the output?
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A bird is flying in air. It is stretching its wings all along the sky and is flying in a certain direction Flying a bird is an example of: a. Composition of vector b. Collinear vector c. Addition of vector d. Multiplication of vector
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bin tn l g trong cng nghip
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If a corporation is socially responsible, it will develop and implement a sustainability plan and communicate it to stakeholders.TrueFalse
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s bit ca pic 16f887
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What is the following diagram called?
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define uniform velocity?
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Troy must keep track of the amount of refrigerant he uses from a 50-pound cylinder to ensure that accuraterecords are kept. He used 13 pounds on a systein for Ms. Jones and 9 pounds on a system for a commercialclient. How many pounds should he have left in the cylinder?tofTroy should havepounds of refrigerant left in the cylinder.baon naid Thamar basic 12
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What is the following diagram called?
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The image shows a reconstruction of a pyramid with a square base. What is the best estimate for the volume of the pyramid? A. 1,460,040 m3B. 2,433,400 m3C. 4,380,120 m3D. 7,300,200 m3
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