External link to The position vector from a point A to a point B is 3i + 4j  4k (ft). The position vector from point

# The position vector from a point A to a point B is 3i + 4j  4k (ft). The position vector from point

The position vector from a point A to a point B is 3i + 4j  4k (ft). The position vector from point A to a point C is-3i + 13j – 2k (ft). (a) What is the distance from point B to point C? (b) What are the direction cosines of the position vector from point B to point C?

External link to In a computer science class, there are 14 students who have previously written a program in Java,…

# In a computer science class, there are 14 students who have previously written a program in Java,…

In a computer science class, there are 14 students who have previously written a program in Java, and 12 students who have previously written a program in Python. How many students have previously written a program in at least one of the two languages? (If you cant give a single number as a definitive answer, give as narrow a range of possible values as you […]

External link to Consider the set A := {1, 2, . . . , n}. Consider the following claim: there exists a relation on…

# Consider the set A := {1, 2, . . . , n}. Consider the following claim: there exists a relation on…

Consider the set A := {1, 2, . . . , n}. Consider the following claim: there exists a relation  on the set A that is both an equivalence relation and a partial order. Either prove that the claim is true (and describe, as precisely as possible, the structure of any such relation ) or disprove the claim.

External link to Briefly describe the two processes by which light can be emitted from an atom. Discuss the…

# Briefly describe the two processes by which light can be emitted from an atom. Discuss the…

Briefly describe the two processes by which light can be emitted from an atom. Discuss the requirement for population inversion in order that stimulated emission may dominate over spontaneous emission. Illustrate your answer with an energylevel diagram of a common nonsemiconductor laser.

External link to Suppose that the mass of the beam shown in Problem 3.4 is 20 kg and it is in equilibrium. The force.

# Suppose that the mass of the beam shown in Problem 3.4 is 20 kg and it is in equilibrium. The force.

Suppose that the mass of the beam shown in Problem 3.4 is 20 kg and it is in equilibrium. The force A,, points upward. If A, = 258 kN and fi = 240 kN, what are the forces A, and Problem 3.4 he beam is in equilibrium. If A, = 77 kN, B = 400 kN, and the beam’s weight is negligible, what are the […]

External link to Another length of the optical fiber described in Problem 4.8 is found to break at 1%strain. The…

# Another length of the optical fiber described in Problem 4.8 is found to break at 1%strain. The…

Another length of the optical fiber described in Problem 4.8 is found to break at 1%strain. The failure is due to a single dominant elliptical crack. Estimate the depth of this crack. Problem 4.8 Explain how the Griffith theory is developed in order to predict the fracture stress of an optical fiber with an elliptical crack. Silica has a Youngs modulus of 9 × 1010 […]

External link to The hydraulic cylinder is subjected to three forces. An 8-kN force is exerted on the cylinder at B..

# The hydraulic cylinder is subjected to three forces. An 8-kN force is exerted on the cylinder at B..

The hydraulic cylinder is subjected to three forces. An 8-kN force is exerted on the cylinder at B that is parallel to the cylinder and points from B toward C. The link AC exerts a force at C that is parallel to the line from A to C. The link CD exerts a force at C that is parallel to the line from C to […]

External link to 1. The differential input of an amplifier is 150 mV, and the output is 9 V. What is the differential

# 1. The differential input of an amplifier is 150 mV, and the output is 9 V. What is the differential

1. The differential input of an amplifier is 150 mV, and the output is 9 V. What is the differential gain of the amplifier? (9-1) 2. . In using the same amplifier as in question 9-7, it is noted that a 2-V common-mode signal is reduced to 50 mV in the output. What is the CMRR? (9-1)

External link to (programming required) The reason that sn is called the Fibonacci word fractal is that its…

# (programming required) The reason that sn is called the Fibonacci word fractal is that its…

(programming required) The reason that sn is called the Fibonacci word fractal is that its possible to visualize these words (strings) as a geometric fractal by interpreting 0s and 1s as turn and go straight, respectively. Specifically, heres the algorithm: start pointing east. For the ith symbol in sn, for i = 1, 2, . . . , |sn|: if the symbol is 1 then […]

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