Ex. 74: A tuning fork A of frequency 200 Hz produces 5 beats/sec. with another fork B. When the prongs of fork B are loaded with a little wax, the number of beats per second is 4. Find the frequency of B before loading.

Q: A transmission power is held by three guy wires attached to the pin at A, and is anchored by bolts…

A: Given, A transmission power is held by three guy wires

Q: Figure

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Q: B1-1. A connection point has two force vectors with the magnitudes of F1 = 37 kN and F2 = 24 kN. The…

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Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

A: Solution:Resolving the given forces into horizontal and vertical components we have:…

Q: If the Resultant force acting on the bracket shown in Fig. 2b is to be 950N directed along the…

A: Given Data The resulatant force acting on the bracket is:FR=950 N To find The magnitude of force F…

Q: Q-1: If the resultant force acting on the bracket is directed along the positive y-axis, determine…

A: Given, F1 = 900 kNF2 = 750 kN Resultant force acting on the bracket is directed along the positive…

Q: Given are the three forces F, = (2.2î + 2.2) N, F, = (2.2↑ – 2.2) N, and F, = (-2.27 + 2.2)N. Which…

A: F1→=2.2i^+2.2j^ N F2→=2.2i^-2.2j^ N F3→=-2.2i^+2.2j^ N

Q: A crate of mass m = 9.7 kg is pulled up a rough incline with an initial speed of v₁ = 1.43 m/s. The…

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Q: A uniform plank of length 2.00 m and mass 29.0 kg is supported by three ropes, as indicated by the…

A: The force actin on the given system are as follows: 1. Tension forces T1, T2, T3 acting in the…

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

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Q: FNT 12-3 Using a piece of graph paper, carry out the operations listed below on the vectors shown at…

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Q: 30° F; = 200 N 1213 F = 260 N

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Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

A: The first child applies a force F1 = 17.1 N at a distance r1 = 0.551 m from the hinges, on one side…

Q: 9. A ball is dropped from a height y = H> 0 to the ground y = 0. Sketch plots of the position versus…

A: Free fall motion of a body: A body that is released from some height moves only under the effect of…

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

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Q: What is the magnitude of the cross product of the following vectors? A = -2i+ 3R B = 3j- 48 O 181 O…

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Q: The mandible (lower jaw) is attached to the temporomandibular joint (TMJ). The masseter muscle is…

A: Let's draw a diagrammatic representation of the given problem. In the above figure F1 and F2 are…

Q: As you are sitting, draw the FBD of your right foot. How would the FBD of your foot change if…

A: Given:- As you are sitting and you are standing on the right foot  Find:- The free body diagram for…

Q: 5. C= A × B. (Note that vectors are in boldface.) (a) If A points in the +x direction, and B points…

A: a)                     Given                             Direction of A = +x…

Q: Determine the magnitude of the y-component of force P (N) if P=104.4 N, Q = 64.4 N , θ= 58.6° and α…

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Q: Calculate the magnitude of the tension T and the angle for which the eye bolt will be under a…

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Q: C A 2.4 т 2.8 т B 3.1 m

A: Given thatCO=3.1 mBX=2.4 mBY=2.8 m

Q: A sign is held by the following beam and cable. The sign has a mass of 11 kg. The beam has a length…

A: The objective of this question is to calculate the tension in the cable that is holding a sign and a…

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

A: The resultant force is vertically downward with a magnitude of  1240 lb Therefore R ⇀ = -1240 j^

Q: Situation 6. If the resultant force acting on the bracket is directed along the positive x axis,…

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Q: C A P' 2.

A: Given, P = 328 NQ = 400 Nangle A=34 degreesangle B = 17 degreesangle C = 51 degreesangle D = 22…

Q: Two forces of magnitude 2F and the square root of F act such that the resultant force is squa root…

A: The dot product is the sum of the product of the corresponding entries  of these two sequence of…

Q: Ross and Rachel are fighting if they were on a break. Ross is trying to get his stuff weighing 150.…

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Q: A stick of 111.6 ft long is leaning against a vertical wall If the bottom of the stick slides aw…

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Q: When the current in a toroidal solenoid is changing at a rate of 0.0260 A/s, the magnitude of the…

A: The rate of change of current is given as, didt = 0.0260 A/s The induced emf is given as, ε = 12.6…

Q: Resolve a force of 100 N into two components which lie on opposite sides of the force and each of…

A: Given data: The magnitude of force F=100 N. Angle with the axis θ=30∘.

Q: (d) What would Jeff's speed be when he catches Dale? (e) What was Jeff's average acceleration during…

A: Given  Dale is moving with speed u=150mi/hr Jaff initially he is moving with speed u'=150mi/hr And…

Q: In a tug-of-war game on one campus, 15 students pull on a rope at both ends in an effort to displace…

A: Let us tabulate the given data: Number of students Applied force by each (N) Direction 2 198…

Q: Find r(t) if r(t) = ti+ej + 4tet k and r(0) =i+j+ k. r(t)

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Q: wo cables are tied together at C and are loaded as shown. Knowing that P = 3567, α = 45.8° and θ =…

A: Given   P = 3567N α = 45.8° θ = 54.2°