A typical helicopter with four blades rotates at 290 rpm and has a kinetic energy of 5.85 x 105 J. What is the total moment of inertia, in kg m2 of the blades? 1209.97 x What is the basic definition of rotational kinetic energy? Check units for consistency. kg. m² Additional Materials Reading

Q: A vector is 0.888 m long and points in a 205 degree direction. Find the x-component of the vector.

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Q: A lead ball is dropped into a lake from a diving board 5.40 m above the water. After entering the…

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Q: b- b- d a b+ b+

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Q: A vector has a magnitude of 15 and points ima direction that is 35 degrees above the positive x…

A: Given: The magnitude of the vector is 15. The direction of the vector is 35o above the horizontal…

Q: The velocity-time graph that describes the velocity of an object with time is given as in the figure…

A: a = 98.5 b = 124.6 c = 57

Q: 1. Use the vectors in the diagram below to answer the following questions. VA 15

A: CONCEPT OF CROSS PRODUCT: Cross product of two vectors is equal to product of their magnitude and…

Q: A vector has x and y components 3.8 and 10.1 respectively. a. What is the magnitude of this vector?…

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Q: a. What is the x and y component of F1? b. What is the x and y component of F2? c. Find the…

A: a) by component method  F1x = 40×Cos35° = 32.77 N  F1y = 40×Sin35° = 22.94 N  b) F2x = - 65 N  F2y =…

Q: A girl delivering newspapers covers her route by traveling 3.00 km west, 4.00 km north, and then…

A: Here, AB→=3.00 km-i^BC→=4.00 kmj^CD→=6.00 kmi^

Q: Q3: Express the vector A = 2√3i+ 3√3j-2√2k in the primed triad i'j'k' in which x'y'-axes are rotated…

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Q: Long and is 60above the X axis. Vecor B,is (am) Pang and is 60 betow the x ar the Xaxis

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Q: Use the following half-life graph to answer the question: Mass Remaining (mg) 60.0 50.0 40.0 30.0…

A: Solution:-

Q: 1. Emma walks in the neighborhood as part of her daily exercise. She always follows the following…

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Q: When velocity is represented as a vector the Select one: a.direction is not important. b.length of…

A: When velocity is represented as a vector the length of the arrow represents the speed. Option (b) is…

Q: What are the x and y−components of vector E?

A: Given that, Angle = β

Q: M = -5î + 10ĵ Ñ = -15î – 15ĵ What are the resultant vectors M + Ñ · M – N , and N – M What is the…

A: Note: As per the guidelines, we can only answer three subparts of a single question. Sorry for the…

Q: State how the Pointing vector is defined and what this quantity describes.

A: The pointing vector is a quantity used in physics to describe the direction and magnitude of energy…

Q: Given the vectors à = 5î + 3ĵ + k and B = -3î + 2ĵ – 4k, find the following: Ả · B Angle between…

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Q: DThe exhaust fan ina factory moves 400 CEM(cubic feet per minute) through the building. Giren that…

A: Write the unit conversion terms.

Q: Aea accelerates at 500m at a 30 ange. 2. A jumping Over a distance ot o.50 mm How tar does the Flea…

A: Answer             0.0442 m

Q: Which is equal in magnitude to Ty of m2? n T Ⓒ = 40.3° A. mlg B. m2g C. fk D. n m₂g m₂ m₁g

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Q: Which of the following is an accurate statement about vectors? O A. Even though two vectors have…

A: Introduction: The vector quantity is a physical quantity that has both magnitudes as well as…

Q: &1 R₁ ww R₁ R₂ &2 a b +1 R₁ 83 +1 R₁

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Q: Select the statements that describe a vector. Check all that apply. Vectors have a size only. O…

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Q: Find the magnitude of vector

A: A= 4i+7j B=5i-2j+k c=-i+3j+2k

Q: 1.1x + x² = 0 What is the value of x

A: x(1.1 + x) = 0

Q: 1. Considering a unit vector u4 = A / A, which of the following are properties of u,? (circle all…

A: As per guidelines only first question is solved here.

Q: A postman leaves the post office and drives 1.6 km in the north direction. He then drives in a…

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Q: numerical value of the following expression: $ = 28¡jjkki +7&ijk & ¡pqª¡ª¡ªpªq ipa (Hint: the second…

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Q: A light plane flies north from Hamburg to Kiel (100 km) with an air speed of of 340 km/h through…

A: Given that:-Distance travelled, d=100 kmAir speed, v1=340 km/hTail wind speed, v2= 80 km/hFlight…

Q: You found a treasure map and it said Start at the well, go 100m straght south, then 30 m 40 degrees…

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Q: A = +2.0u î + 3.0u ĵ– 1.5u k B = -0.80u î + 3.0u ĵ+ 4.0u k Find vector difference, B - A.

A: (given) A→=+2.0 u i^+ 3.0 u j^ - 1.5 u k^B→=-0.80 u i^+ 3.0 u j^ +4.0 u k^ Vector difference is…

Q: 6. A bicyclist rides at 430 ft/min TE they ride for 45 min, how far have they gone? a. 0.105 ft O…

A: The velocity of the rider is v=430 ft/min The time taken for the ride is t=45 min

Q: onP x Signi x Signi x…

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Q: If vector A =yi-xj+zk the curial of vector A is -2k O 2k O -21 O -21 O

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Q: 1. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour? А. 3.6 В.…

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Q: 15 velocity (m/sec) vs time (sec) 5. 13 16 5 3 55 65 -13 The diagram above shows the velocity(m/s)…

A: The relation between velocity (v) and distance(x) traveled is given as, v = dxdt to solve for…

Q: Vector Analysis True or false. Justify your answer in 1 to 2 sentences. a. A unit vector can have a…

A: Introduction: Given problem is based on the topic vector and scalar. Vector quantity are the…

Q: Express the vector in terms of components i and j.

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Q: A postman leaves the post office and drives 1.6 km in the north direction. He then drives in a…

A: resultant of two vectrors is given by  R=R1+R2 first write all the vectors in component form and…

Q: 9. What is the x-component vector of the vector shown in Figure 2? a. 12.0i m b. -12.01 m c. 10.4i m…

A: Given Magnitude of vector is |v|= 12.0 m The x component of vector is   vx=vcos30o     =(12.0…

Q: Geq = 5 points %3D 5 S ww Gog 6 S 8 S 12S 100 S O 0.1 S O 10 S ww ww ww

A: 8s and 12 s are In parallel Equivalent conductance (G1) = 8s +12s =20s Now G1 and  5 s are in…

Q: er A 2i +3j Which of the following is a unit vector in the direction of A?

A: Given that:A→=2i^ + 3j^ To determine the unit vector along A→