-1) for the
Q: Work done When the direction of the force is in the direction of the displacement When the direction…
A: The work done by the object is expressed as follows. W=F·d Here, F is the force and d is the…
Q: 9. Find vn. Let V₁ = 4V, R₁ = 2k, R₂ = 4 kN, R3 = 2 kN, R₁ = 2 kN, V¯ = -1.67 V, and V+ = 5 V. a)…
A: 1).Let's solve the given circuit problem step by step. The question asks us to find the current and…
Q: Find the angle made by the vectors A and B given below A=(2,1,3). B=(3,-2,1).
A:
Q: If the magnitude of vector A is 5 units, the magnitude of vector B is 9 units, and the angle between…
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Q: Exergy (Work Potential) Associated with Kinetic and Potential Energy.
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Q: 10. Conservative or Not Conservative F(x, y) = аxi + аy) x2 + y2
A:
Q: A 13,732-watt motor is used to lift a 5,908 kg aircraft to a height of 5 m. How much time (in…
A: Given : Power of motor (P) = 13732 Watt Mass of aircraft (m) = 5908 kg Height (h) = 5 m
Q: Gravitational strength Ig=13.39x10-" N/kg and Potential 0= -66.83x10-" J/kg „Model
A: There are two terms 1.Gavitational strength 2. Gravitational potential strength both of these terms…
Q: A casting of mass 150 kg is lifted 4 meters in 15 seconds by means of a crane. What is the power?
A: Given data The mass of the casting is given as m = 150 kg. The casting is lifted up to h = 4 m. The…
Q: 10. An automobile is sitting on a hill which is 20 m higher than ground level. Find the mass of the…
A: Given: Potential energy = 362600 J Height = 20 m
Q: Use the definition of scalar product, a b =ab cosθ, and a b =ax bx + ay by to calculate the angle in…
A:
Q: 18 kg. over the side of a building. the work required to the chain
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Q: a stone is dropped from rest from the top of the wall (34.2m) at the start of the drop the GPE was…
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Q: 2. How much work is done by 15 kW engine during 3.5 min?
A: Given value--- power = 15 kW. time = 3.5 min . We have to find--- work ?
Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…
A:
Q: 10) A floor polisher supplies an average of 1000W of power. If the floor polisher is used for 10…
A: Given: The average power is 1000 W. The time interval is 10 min.
Q: 4. How long is the time required to consume a power of 213 J/s generated by a working motor that…
A:
Q: 82. Raising a table requires work. Raising it twice as high requires O a. half as much work O b. the…
A: Raising a table required work if raising it twice as high required. The correct option is Twice the…
Q: (c) Show Force on a negative charge BO O q<0€
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: 0. is defined as the rate at which work is done
A: We know that power P=Wt Rate of doing work.
Q: An object in a horizontal surface was moved by applying a constant force (in Newtons), F = 8î + 5ĵ.…
A: The force applied to the object is Object displaced distance to the right is d = 9 m
Q: 20) Which of the following statements is true about the relationship between the scalar product of…
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Q: 3) How much time does it take to do 9,560 Joules of work with 860 watts of power? -
A: solution is given by
Q: ladder is raised to a vertical position Compute the work done by the force lifting the ladder. The…
A: Weight of ladder, Length of ladder, The ladder is raised to…
Q: 1. Show that the vectors A=2î – 31– k and B= -6î + 9ĵ + 3k parallel. are ANS:
A:
Q: 22) A compact car can climb a hill in 10 seconds. The top of the hill is 31 meters higher than the…
A: 22. The work needed to climb the hill is W=mgh=1027 kg9.8 m/s231 m=312002.6 J
Q: 7. Determine the total work required to accelerate a vehicle of mass 1500 kg from 10 m/s to 25 m/s.
A: Given, Mass , m = 1500 kg Initial velocity = 10m/s Final velocity = 25m/s Work done = change in…
Q: or the two vectors and in the given figure, (a) find the scalar product. (b) find th lirection of…
A: A vector can be written as A̅ = Ax î + Ay ĵ Ax = A Cosθ Ay = A Sinθ
Q: 17.) How much work is done when a force of 3000N moves its point of application 0.4m in the…
A: Given data: Force (F) = 3000 N Displacement (d) = 0.4 m in the direction of force Required: Work…
Q: A man is lifting a 1 bag of cement in unknown direction with a magnitude of 10 meters and a height…
A: Given, Mass of bag,m=1 kg Height,h=7 m
Q: 9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by…
A: We have a load of mass m=10 kg which is hung from a wire casing an extension of h=2 m and…
Q: 9. Conservative or Not Conservative F(x,y) = (x²-yx)î + (y² – xy)j
A:
Q: how much work is done when a force of 816.0N is exerted while pushing a crate across a level floor…
A: GivenForce F = 816.0 NDistance d = 1.40 m
Q: Describe a situation where an object is in motion but no physical work is being accomplished.…
A: Consider the situation where a person carrying a suitcase on his head and walking. Now for an…
Q: To what distance has a body of 480N been lifted, if it has done a work of 960J?
A: Given data: Weight of the body (w) = 480 N Work done = 960 J Need to determine the lifted distance.
Q: The vector product of two vectors has maximum value, if the angle between them is 90º Select one:…
A: Suppose one vector is A→ and another vector is B→ The vector product of two vectors is calculated…
Q: 5.A hiker climbs from an elevation of 1,500 ft to the top of a mountain whose height is 3,800 ft…
A: Given Mass (m ) = 95 kg h1 = 1500 ft = 1500 × 0.305 m h2 = 3,800 ft = 3,800 ×…
Q: 3.The Work-Energy Principle states that work is equal to the change in kinetic energy. What unit…
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Q: 4. What is the Kinetic Energy of a 1200 kg object that is moving with a speed of 24 m/s?
A:
Q: How much work is done by a girl weighing 500 N in climbing 5.0 m up a rope in the school gym?
A: Given data: Weight (mg) = 500 N Height (h) = 5.0 m Required: Work (W)
Q: 5. In each case, find the x- and y-components of vector : (a) A= 3.20 +6.50); (b) A 18.2ĵ-7.91î; =…
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Q: ii) The angle between the vectors A = 4.0î + ĵ and B = −2.03 is: 0= =
A: We know that A.B= ABcosθ So we can derive θ from the above equation.
Q: 2.7 Problem 23
A:
Q: . Can a normal force on an object ever do work on the object? Explain.
A: The work done by an object is given as : Work = Force × displacementW = Fdcosθ
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