An object moving along the x axis is acted upon by a force F, that varies with position as shown. How much work is done by this force as the object moves from x = 2 m to x = 8 m in Jouls F, (N) 20 a. 30 10 b. -26 C. -30 d. x (m) 8-10 12 26 -10 O 1. d

Q: 1) A force F = bx3 acts in the x direction, where the value of b is 3.7 N/m3. How much work is done…

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Q: Juleon apply a constant force F= - 68 i + 36N j to | a 380 kg car as the car travels 48.0 m in a…

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Q: When a flea (m = 600 μg) is jumping up, it extends its legs 0.5 mm and reaches a speed of 0.50 m/s…

A: According to the kinematics equation, find the acceleration of the flea.Substitute the values,

Q: Question 1 Save Answer A force F(x)= (2.0x )N acts on a particle as it moves along the positive…

A: The work done is given by W=∫F dx where F= Force, and x= displacement.

Q: How much work was done on him by gravity?

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Q: A 18.0-N weight slides down a rough inclined plane which makes an angle of 29.0° with the…

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Q: Question 24 A student's backpack weighs 8.0 N. The students lifts the backpack from the floor to a…

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Q: 4. A 250-N force accelerates a 25.0-kg crate from rest along a horizontal frictionless surface for a…

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Q: 4 An object moves along the line segment from (0, 0,0) to (3, 6, 10), subject to the force F=…

A: Given:Force,F=(x2,y2,z2)Line segment from (0,0,0) to (3,6,10) Find the work done.Now,Work done…

Q: 3. A block attached to a spring, as shown in the Figure, starts at rest with the spring unextended…

A: The work done by the spring will be equal to the potential energy of the spring when it is stretched…

Q: 3. As described by the force-position plot shown, a net force F acts on a 1.00 [kg] object. What is…

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Q: A force É = 12 N î - 10 N î acts on an object. How much work does this force do as the objęct moves…

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Q: Q13: A 4 kg mass is projected down a rough ( shown. )circular track (R = 2 m) as The speed of the…

A: R = 2 m mass (m) = 4 kg vA = 4 m/s vB = 6 m/s

Q: A 1.50-kg book is sliding along a rough horizontal surface. At point A it is moving at 3.21 m/s, and…

A: According to the work-energy theorem, the work done is equal to the change in kinetic energy of the…

Q: 5) A force É = 12 Ni - 10 N j acts on an object. How much work does this force do as the object…

A: Given: A force F→=12i⏜-10j⏜ The displacement vector r→=13i⏜+11j⏜

Q: y0=30°

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Q: 1. KitKat has just caught an insect and decides to bring it with pride to his human owner. A…

A: Power is defined as P=F→·v→ Here F→ is force and v→ is velocity. Work done is W=Pt Here P is power…

Q: 83. Suppose that you apply a 60-N horizontal force F to a 30kg package, which pushes it 4 meters…

A: Given, Force apply F= 60 N mass of package m = 30 Kg distance s = 4 m

Q: - A force of  F =(6i-2j) N acts on a particle, causing a displacement of d =(2i+3j) m. Find the work…

A: The work done by the force on any particle is defined as the dot product of Force vector and…

Q: 4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ? A 12.5 W…

A: GIVEN  mass of a person (m)=49 kg distance(d)=5m time=20 sec work done=(force)(displacement) here…

Q: Q13: A 6 kg mass is projected down a rough ( shown. )circular track (R = 2 m) as The speed of the…

A: (13) Write the given values with the suitable variables. m=6 kgR=2 mvA=4 m/svB=6 m/s Here, m, R, vA,…

Q: A 275-N force accelerates a 30.0-kg crate from rest along a horizontal friction less surface for a…

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Q: A 20-kg child slides down a 3.0m-high playground slide. She starts from rest and her speed at the…

A: Given Height of the playground is h=3.0 m Mass of the child is m=20 kg Initial speed of the child is…

Q: You apply a constant :-68.0 N)î + (36.0 N)ĵ force to a 350-kg car as the car travels 35.0 m in a…

A: Given that, the displacement of the car, S=35m in a direction 2000 counterclockwise from +X…

Q: 14. The force acting on a particle varies as shown in Figure MP7.14. Find the work done by the force…

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Q: 30-N box is pulled upward 6.0 m along the surface of a ramp that rises at 37° above the horizontal.…

A: Given weight of box is W=30 N Distance travelled is d=6.0 m

Q: f 25.0° below the horizontal. The force is just sufficient to balance various friction forces, so…

A: Given:- Applied force on the cart F = 30 N directed at an angle of 25.0° below the horizontal The…

Q: DIRECTI 1. A force of 5i +j+2k N displaced a body from a position of i+ j+ k m to 2i + 4j+ 6k m. How…

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Q: ReviewI Constants Be sure to review Examples 6.1 and 6.2 (Section 6.1) before attempting these…

A: part A As a football player moves in a straight line [displacement (5.00 m)i^ - (4.50 m)j^], an…

Q: 2. A force acting on an object moving along the x axis is given by Fx=(14x- 3.0x) N where x is in m.…

A: Given- Fx = 14x - 3x2 N x moves from, x = -1 m to x = 2 m,

Q: Leni Marcos apply a constant force F= - 68N i + 36N j to a 380 kg car as the car travels 48.0 m in a…

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Q: A shopper lifts two 45-N bags of groceries a distance of 1.25 meters and carries each one for 40…

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Q: 49. The work done by a force (-2i + 5j) N which moves a particle from a point A to another point B,…

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Q: A force acting on an object moving along the x axis is given by F (x) where x is in m. How much work…

A: Given, Force on x axis is given by = (8x+6x2) N Displacement is given by x = -2 to 3m

Q: A force F(x) = (-4.0x2 + 5.0x) N acts on a particle. (a) How much work (in J) does the force do on…

A: F(x) = (-4x2 + 5x) N

Q: 11. How much work does Amanda's car experience compared to Bertha's? Amanda and Bertha are in a car…

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Q: 2) Assume the workman was able to get the sled moving. He is now pulls it 50[m] before stopping. How…

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Q: 11. How much work does Amanda's car experience compared to Bertha's? * Amanda and Bertha are in a…

A: Let the mass of each car (in kg) = m time taken by each car to increase its speed = 2 seconds To…

Q: 21. A delivery person carries a 215-N box up stairs 4.20 m vertically and 6.80 m horizontally. (a)…

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Q: 3) In the figure, a 900-kg crate is on a rough surface inclined at 30°. A constant external force…

A: We will be using the work-energy theorem to solve this problem. WP=Work done by force PWf=Work done…

Q: Two blocks are connected by a very light string passing over a massless and frictionless pulley.…

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Q: Work: A force F(x,y) = 12 N i- 10 N j acts on an object. How much work does this force do as the…

A: Given: The force acting on object is F→=12 Ni^-10 Nj^. The position vector of the object is r→=13…

Q: 4. A 5.0-kg block moves in a straight line on a horizontal frictionless surface under the influence…

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Q: 7. A balky cow is leaving the barn as you try harder and harder to push her back in. In coordinates…

A: Initial position of cow = 0 m Final position of cow = 6.9 m F(x) =-[ 20 N + (3Nm x) ]

Q: The speed of a hockey puck decreases from 49 m/s to 43.88 m/s in coasting 15.4 m across the ice.…

A: Given:  Initial speed of hockey puck = 49 m/s Final speed of hockey puck = 43.88 m/s Distance…

Q: Q7 A ball, of mass m = 1.0 kg slides on a rough path AB. If the ball starts from rest at point A and…

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Q: 2. A'workman carries some lumber up a staircase. The workman moves 9.6 m vertically and 22 m…

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Q: A box weighs 49 N is pulled 6.0 m up along a 37° inclined plane. What is the work done by the…

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