92. F1 = -12i + 8j, F2 = -9i – 15j, F3 = 11li + 7j %3! For Exercises 89–94, the given forces (in units of pounds) act on an object. a. Find the resultant force, R. b. What additional force F is needed for the object to be in static equilibrium? (See Example 11)

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Q: 11. An airplane heading 300 km/h [N45°W] encounters a wind of 70 km/h [S5°E]. Determine the…

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A: …

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A: Given: The graph of Velocity function:

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A: We know that Work done is given by the product of force and displacement. Given:  Force is 10 N and…

Q: A block of mass 3.60 kg is placed against a horizontal spring of constant k = 865 N/m and pushed so…

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Q: A spring has a natural length of 1 m. A force of 24 N holds the springstretched to a total length of…

A: Force, F = k(x - x0) F = 24N k = ??? x = 1.8 m x0 = 1 m

Q: The figure below shows two tiny charged spheres q1 = 7.29 µC and q2 = -7.11 µC separated by 70.34…

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Q: It takes 90 J of work to stretch a spring 1 m from its equilibrium position. How much work is needed…

A: Use the formula for work done for stretching the spring by length x From its equilibrium position.

Q: 2. If you push a book 1.5 m across a table using a constant force of 10.0 N, how much work do you do…

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Q: An object is shot upwards from ground level with an initial velocity of 3 meters per second; it is…

A: Follow the procedure given below.

Q: 18. A spring has a natural (unstretched) length of 1 meter. If a force of 10 newtons is required to…

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Q: 3. When a particle is located at a distance x feet from the origin, a force of x+ 2x pounds acts on…

A: To find the workdone we have to integrate the force x^2+2x from x=1 to x=3

Q: Q-3: If the maximum force that any member can support is 4.2 kN in compression and 5 kN in tension,…

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Q: Shown is the graph of a force function (in newtons) thatincreases to its maximum value and then…

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A: Solution:

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Q: When does the particle move at its greatest speed?

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Q: 2. A spring has a natural length of 250 cm. A force of 18 Newtons stretches the spring to a length…

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Q: 5. Shown is the graph of a force function (in newtons) that increases to its maximum value and then…

A: Integration of force distance curvegives work done i.e.Work done , W=∫ F.dx

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Q: (1) Suppose you lift a stone that has a mass of 5.1 kilograms off the floor onto a shelf that is 2.5…

A: work done

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A: The given three equations are, v=-5ux-3uy+4uzE=5ux+10uy+7uzB=8ux+9uy+4uz The values are represented…

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A: Let's find.

Q: Use the concept of Particular Antiderivatives and Rectilinear Motion to answer the problem below:…

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A: The solution is given below

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Q: (1) Suppose you lift a stone that has a mass of 5.6 kilograms off the floor onto a shelf that is 1.5…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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Q: 2. Find the distance x (measured along AB) at which a horizontal force of 60 lb should be applied to…

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Q: 3. The work done on an object is equal to force times the distance moved in the direction of the…

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Q: biuoo (3 g ot uoY (r Wla ovom ton T. T (6 m1 brie m2 no pn 26) Consider the Atwood machine in Fig.…

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Q: How much work is required to move an object from x = 1 to x = 3 (measured in meters) in the presence…

A: The function f(x)=2x2. N moves an object from x = 1 to x = 3. We have to find work required to move…