A skater is initially spinning at a rate of 25.0 rad/s with a rotational inertia of 3.00 kg-m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotationalinertia to 1.60 kg-m??

Q: Use graphical method to answer the given problems. A student going to school walked 1.00 km north…

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Q: What are the various types of errors? Explain the concept of sounding a number of some Significant…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: Find the area of a rectangular room measuring 8.5 m by 13.8 m . Express your answer with the correct…

A: The expression for the area of rectangular room is,

Q: (a) Sketch the curve by using the parametric equations to plot points. Indicate with an arrow the…

A: Given: x =2t-1 y=t2 -1 To Find: Cartesian equation and curve

Q: v = (470m/s, 37° above positive a- axis) Express your answers using two significant figures. Enter…

A: Given data: Velocity (v) = 470 m/s Angle (θ) = 37°, above the positive x-axis

Q: Given: X = 3.8 km at 24°south of east Y = 5.6 km at 67°west of north Z = 10 km Southward %3|

A: First of all we need to breakdown the given vectors along x axis (i) and y axis (j) and then we'll…

Q: Using trigonometric method. Find the magnitude and direction of the car’s resultant displacement…

A: Given data The distance traveled by car in the north is given as dn = 50 km. The distance traveled…

Q: What are the Various types of errors? a number of some Explain the concept of rounding Significant…

A: Error = True value - Estimated valueTypes of errors:1. Gross errorsThis type of error are takes…

Q: The magnitude of vector A is 39.0 units and points in the direction 350° counterclockwise from the…

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Q: Fach unit on a trail map equals 1 foot. A hiker is at map coordinates (450,700), and the park ranger…

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Q: For a vector, F⇀= 119.37 kN at an angle of 66.39 degrees made with the horizontal in Q1. Find the…

A: According to question--- Given data-- Force vector = 119.37 kN. Angle = 66.39 degree. We have to…

Q: A plane leaves Seattle, flies 82.0 mi at 18.0° north of east, and then changes direction to 51.0°…

A: +x is East direction, +y is North direction and -y is south direction

Q: For items 11-20, Solve this using Component Method. You may solve first on a separate sheet of paper…

A: vector A = 17.25 cm , 34.5 south of east vector B = 11.64 cm, 28 degrees North of west

Q: Find the resultant vector using the analytical method. Vector A= 20 km, 30° N of E Vector B- 15 km,…

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Q: A unit vector has a direction 230º. Write it as ê = a i + b j. Type in your answer in the box.…

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Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

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Q: A cyclist rides 1.74 km west and then turns around and rides 9.5 km east. What distance does she…

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Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

A: Since the force exerted by Juanito is 20° north of west, this is equal to 180° -20° = 160° with…

Q: A person walks in the following pattern: 2.1 km north, then 3.1 km west, and finally 4.1 km south.…

A: Here distance travel in North direction = a = 2.1 kmdistance travel in West direction = b = 3.1 km…

Q: Starting at a tree in a flat pasture you walk 20.0 m due south and then 40.0 m in a direction of…

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Q: Find her distance R from the starting point in kilometers b) Find the angle in degrees N of E

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Q: A man walks 27.3597 m directed 255.3693 degrees from the positive x-axis, then he walks 38.8163 m…

A: first leg of displacement = 27.3597 m @255.3693o from +x axis second leg of displacement = 38.8163 m…

Q: Vector A has components Ax = -3.39 and Ay = -12.7. What is the magnitude A of this vector? Determine…

A: The two components of the vectorAx=−3.39Ay=−12.7The magnitude of the vector

Q: Add the vectors A and B in the figure using the method of components. The magnitudes of both vectors…

A: Given a vector A magnitude 2.55 m making an angel 34.5⁰ with x axis.  So vector A will be,  A = 2.55…

Q: The magnitude of vector A is 26.0 units and points in the direction 310° counterclockwise from the…

A: The expression for x-component is Ax=Acos310∘=26 cmcos270∘+40∘=26 cmsin40∘=16.71 units

Q: 3. Vector A points along the +y axis and has a magnitude of 100.0 units. Vector B points at an angle…

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Q: Solve the following problem using analytical techniques: suppose you walk 15.0 m straight west and…

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Q: The magnitude of vector  A  is 17.0 units and points in the direction 345° counterclockwise from…

A: Given:-  A vector A has a magnitude of 17 unit  direction 345o counterclockwise from the positive…

Q: P V =

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Q: Use graphical method. Two vectors of 8.0 units and 5.0 units make an angle of 600 with each other.…

A: A=8 units =8 cmB=5 units = 5 cmangle, 60°

Q: Vector A has components A, = 10.0 and A, = -14.3. What is the magnitude A of this vector? Determine…

A: Given, y Ax = 10 Ay = - 14.3 WWe need to calculate,  Magnitude and angle =?

Q: Q1 : Check the correctness of the following formulae by dimensional analysis. F = mv² /r

A: Given:centripetal force.F=mv2rNow ,Using dimensional analysis.where,The mass =m=MThe…