26. Find the tension in each of the three cables supporting the traffic light if it weighs 2.00 × 102 N.

Q: 30 Figure 7.11 7.21. Assume that u, = 0.2 in Fig. 7.11. What is the acceleration? Why did you not…

A:

Q: How long will it take a 4 hp motor to lift 400 kg piano to a sixth story window 1800 m above?

A: 1hp =746W so 4hp=4*746=2984W Mass ,m =400kg Height, h=1800m energy required to lift, E=mgh where g…

Q: Select all that apply. Given the following system, which points represent steady states of the…

A: A curve as shown in the figure with points A, B, C, D, and E as shown in the figure.We need to find…

Q: 4. In the figure shown, determine the work done by the gravitational force on a 5.50-kg particle as…

A:

Q: ••27 In Fig. 27-40, the resis- tances are R, = 1.0 n and R, = 2.0 0, and the ideal batteries have…

A: As given, The resistor, R1=1 Ω The resistor, R2=2 Ω The emf voltage, ε1=2 V The emf voltage, ε2=ε3=4…

Q: 8. And a ladder problem, a 32 foot ladder is place up against a wall. The base is 21 feet out from…

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Q: Find the dot product of the vectors A = 5m and B = 7m perpendicular to each other. A) 5 B) 8…

A:

Q: Determine the reactions at the supports A and D. P=18KN w=30kN/m B Ap 1m 1m C 6m D

A: Solution:-Given that

Q: What is the x component of the force? Answer: N. Please only enter the number. Do not include the…

A: Here, more than one question  is asked. So as per the rules, solution for the first one is provided…

Q: Does the dot product of two vectors have direction as well as magnitude? yes no

A: No  they only have magnitude but no direction.

Q: Determine F1 along x if the system is be minimum as possible.

A:

Q: Use Newton's Second Law to write an equation for each of the free body diagrams you drew in Question…

A: Total acceleration = a F1 = M1g F2=M2g Here M1 and M2 are masses of the blocks.

Q: Find work done F=12 N 14-5m

A: Given data:  Force (F) = 12 N Displacement (d) = 5 m Required: Work (W)

Q: A 20 ft long cable hangs from a pulley system located on the roof of a tall building. Set up an…

A: Given the length of the cable is 20 ft and the density of the cable is 1.5 lb/ft.

Q: A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the…

A: Given: The number of protons is 94 protons in the nucleus. The separation between nucleus and…

Q: Two beams at 6 meters in length each are arranged so that the reactions at A, B, and D are the…

A: Given that: Let the reactions at A,B,D are N and at C is N'

Q: Check the distance of “(2,5)·a1>a2” according to the given project diagram and determine the type of…

A:

Q: Find the work done by the vector field F = (- 3z, 4y, - x) in moving an object along C in the…

A:

Q: An object with m= 27 g is hanging, without moving from a vertical spring extended by 19 cm.…

A:

Q: An electric field of magnitude 560 N/C is applied along the x. Calculate the Electric flux through a…

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

Q: 3) You are the lucky recipient of an awesome summer internship for a start-up company offering to…

A: a. Travel time The approximate travel time of Amtrak is 9 hours 30 min over 350 miles with speed of…

Q: A single frictionless roller-coaster car of mass m= 750 kg tops the first hill with speed ve 15 m/s…

A: Mass of car m = 750 kg Initial Speed of car u = 15 m/s Initial height h = 40 m gravitational…

Q: Given are 4 points in space: (x,y,z) A (3,2,3) B (0,1,4) C(2,4,1) D(0,5,4) The line of action of…

A:

Q: Find the work done by the force field F(x, y, z) = (y + z, x + z, x + y) on a particle that moves…

A:

Q: 2. Use the head-to-tail method, as shown in the previous example, to find the resultant force acting…

A: Solution: 1) The diagram of the resultant force is as follows.

Q: 49. Find the work done by the vector field x²+y² i+ Vx2 + y² in moving an object around the unit…

A: Given; Fx,y=xex2+y2x2+y2i+yex2+y2x2+y2j

Q: 7. A small block of mass m starts from rest and slides along a frictionless loop-the-loop as shown…

A: The position of the small block is shown below.

Q: How much power is needed to lift a 750 kg elephant 14.3 m in 30.0 seconds?

A: Given data:  Mass (m) = 750 kg Height (h) = 14.3 m Time (t) = 30.0 s Required: Power (P)

Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET

A:

Q: Nuclear Physics: In nuclear fusion, two atomic nuclei can merge to form new elements. Atomic nuclei…

A: Given: The mass of each nucleus is m=1.8×10-26 kg. The radius of the nucleus is r=2.3×10-15 m. The…

Q: 1 а 2 The work done by a conservative force between two points A and B depends on a path taken True…

A: Given data:  A conservative force Object moves from Point A to B by two ways Required: The work done…

Q: Show how a change in ⁰F is equal to a change in R.

A:

Q: A 235 N force acts on a bike in a direction 17 N of W. Determine graphically and analytically the…

A:

Q: By finding the curl, determine if following force are conservative F = ix² + j y² + k z² 22 not…

A: Please see the next step for solution:-

Q: A particle moves in the xy plane from the origin to a point having coordinates x=7 m and y=4 m under…

A:

Q: Evaluate the Clebsch Gordan coefficients for ji = }, j2 = 3 2

A: Here we have very very difficult question regarding CG coefficients. Process is easy but the…

Q: Question 23 Two frisky otters slide down frictionless hillsides of the same height but different…

A: height of hill for both the otters = h θ1 = 30oθ2 = 60oLet the mass = m

Q: Determine the magnitude of force P to move block B

A: Solution- Case-1 We consider slipping between block A and block B.

Q: Find the magnitude of the resultant of the concurrent force system below y B (15.0 m) D (10.0 m)…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.