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Q: If A and B are two vectors, and B =-2A, so vector B has

A: A  and B are two vectors .... And B = -2A

Q: Let v = -5i+5j be a vector. Find a unit vector that points in the same direction as v and give…

A: The objective of the question is to find a unit vector that points in the same direction as the…

Q: Two position vectors lie in a plane. The first, vector rA, points at an angle of 20° below the…

A:

Q: ctor B in the xy plane has a magnitude of 25.  If it has an x component of 12, what angle does it…

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Q: Vector v = <7,-5,-7> and has an initial point  of <-10,6,-12>. Find the terminal point.

A: The objective of the question is to find the terminal point of a vector given its initial point and…

Q: What angle OB, where 0° < OB < 360°, does B make with the +x-axis? Express your answer in degrees.

A:

Q: For the vectors A=8.94i +6.93j-17.9k, B=7.67i-6.06j+10.2k, and C=6.25i-3.34j-9.61k, find C(A-B).

A: The difference vector between the two vectors is,

Q: Find to three significant digits the charge and the mass of the following particles. Suggestion:…

A: We need to find the mass and charge on ion

Q: Calculate the magnitude of the sum of the three vectors: A = 105 N at 35 degree, B = 164 N at 125…

A: A = 105 N at 35 degree B = 164 N at 125 degree And C = 183 N at 208 degree   Magnitude of resultant…

Q: Given P = 32 u, 90° N of E and R = 12 u, 45° N of E, find P - R in unit-vector form. Use the…

A: Given:P→ = 32 u, 90° North of EastR→ = 12 u, 45° North of East

Q: A 3.50-kg object is attached to a spring and placed on frictionless, horizontal surface. A…

A: A 3.50-kg object is attached to a spring and placed on frictionless, horizontal surface. A…

Q: 2-42. A solid cube of uniform density and sides of b is in equilibrium on top of a cylinder of…

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Q: (e) [p, f(f)] (f) [â, Ħ] for general potential V (x)

A: [?,?(?)]?=(??(?)−?(?)?)?[p,F(x)]ψ=(pF(x)−F(x)p)ψ knowing that ?=−?ℏ∂∂?p=−iℏ∂∂x you'll get…

Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ?  use g…

A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…

Q: A particle moves according to a law of motion s = f(t), t 2 0, where t is measured in seconds and s…

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Q: You leave home and drive 32.5 km north, then 16.5 km east when you realize you forgot something. So…

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Q: A wagon with a mass of 52kg is pulled by a force of 9.5 N by a rope at 22º. find the acceleration of…

A: Given data:  Mass (m) = 52 kg Force (F) = 9.5 N Angle (θ) = 22° Time (t) = 10 s Initial velocity (u)…

Q: Let A=5i-6.5 and B=3.5i-7ĵ . If lies in the xy-plane, Cis perpendicular to À , and Č-B=15 , what is…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.