42. A force F = (2i + 4j – k) N, displaces a particle through (12i + 4j + 2k)m. The work done by the force is A 23 J в 381 B 38 J 48 J D V21 x V164 J

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: Determine the work done by the force F = (8.40xî + 6.60yj) N/m acting on an object as it moves in…

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Q: m, b = -1.0Nm. Determine the work done on the object by this for a straight line from the origin to…

A: Since force is variable...we have to integrate the elemental workdone

Q: 1. Find the work done on the trunk by gravity. A. 5.88 kl. В. 2.821. С. zero. D. 1.03 kJ. E. 1.73…

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Q: Mama Mia lifts up a 6.2kg pie from the table a distance of 1.8 meters high with an acceleration of…

A: To lift the pie, Mama Mia will have to apply a force which will act against the force of gravity and…

Q: 1. A particle moves along the x-axis from x = 0 to x = 5m under the influence of a force given by…

A: Given value--- force F = 7-2x+3x2 . particle move from x = 0 to x= 5 . We have to find--- work…

Q: 2. A 75 g frisbee is thrown from a point 1.1 m above the ground with a speed of 12 m/s. When it has…

A: Given: The mass of the frisbee is 75 g. The initial height of the frisbee is 1.1 m. The final height…

Q: 21. A 0.600-kg particle has a speed of 2.00 m/s at point A and V kinetic energy of 7.50 J at point .…

A: Solution:-(21) Part (a):- We know , kinetic energy k = (1/2)×m×v2 Then Ka= (1/2)×0.600×(2)2 […

Q: An accelerating object of mass m-18 kg is fired with an initial speed v-7 m/s at a starting point.…

A: Given: The mass of the object is 18 kg. The initial velocity of the object is 7 m/s. The final…

Q: DETAILS SERPSE10 7.4.P.009. MY NOTES ASK YOUR TEACHER A particle is subject to a force F, that…

A: The area under the force time graph gives the work done.

Q: A 5.00 kg body is moved 12.0 m on a horizontal surface by a force of 20.0 N acting at an angle of…

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Q: 4. Calculate the total work done by the system from a; = 1.40 m to af = 4.80 m when force applied on…

A: Write the equation for the work done. W=∫xixfFxdx Substitute the expression for the force in the…

Q: Q12: A time-dependent force F = 6t acts on a particle of mass 1 kg. If the particle starts from…

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Q: A force F =(4xi+3y N acts on an object as it moves in the x direction from the origin to x= 4m. The…

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Q: (c) What is the speed of the projectile immediately before it hits the ground if air friction does…

A: C) As per the work-energy theorem, the friction’s work done can be represented as, Here, E, m, v,…

Q: A force F=(4xi +3y N acts on an object as it moves in the x direction from the origin to x= 4m. The…

A: Given data The force equation is given as F→=4xi^+3yj^ N. The object moves from origin to x = 4 m.…

Q: An archer retracts the bowstring 0.400 m, applying a force that increases from zero to 330 N. How…

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Q: 1) How much work is needed to change the speed of a 1837 kg sport utility vehicle from 15.0 m/s to…

A: Given data:  Mass (m) = 1837 kg Initial velocity (Vi) = 15.0 m/s Final velocity (Vf) = 60 m/s…

Q: The force F = (6.64 N)i + (6.93 N)j acts on a particle as it moves first along the x axis from x =…

A: Introduction: Energy is the is the conserved quantity. When body move from one place to another…

Q: 20 - Bolum-7+A2B1C3uUxiD5ViBM7s27Vi20FXF231G A2.00 kg particle has a speed of 4.00 m/s at point A…

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Q: 16. A force F = (3i – 5+ 2k)N acts on a particle giving it a displacement of(3i + 4k)m. The work…

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Q: The force F = (5.69 N)i + (7.69 N)j acts on a particle as it moves first along the x axis from x =…

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Q: A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at…

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Q: Find the work done on a particle that moves 7 units by a constant force F = (3,–2, –-3) in a…

A: The direction of vector perpendicular to u⇀,w⇀ is r⇀=u⇀xw⇀u⇀xw⇀ u⇀x w⇀=ijk0-3-2550           =…

Q: A particle experiences a variable force F= (2+2x+ x^2)N that acts in the x direction. The work done…

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Q: 9- Bolum-7+A2B1C3uUxiD5VIBM7s27V120FXF231G A 2.00 kg particle has a speed of 4.00 m/s at point A and…

A: Scenario - To change position of a particle from A to B work is done.  Given : Particle mass →m=2.00…

Q: How much work must be done by frictional forces in slowing a 1000.0 kg car from 19.8 m/s to rest?…

A: Given data:  Mass (m) = 1000.0 kg Initial velocity (Vi) = 19.8 m/s Final velocity (Vf) = 0 m/s…

Q: 2. A force acting on a particle moving in the xy plane is given by F = (1.91 y i + 1.24x2 j)N, where…

A: Given : Force acting on a particle moving in xy plane is given by F→=1.91 y i^+1.24 x2 j^ N…

Q: A 15.0 kg load of groceries is lifted up from the first floor to the fifth floor of an apartment…

A: Given that, Mass (m)= 15 kg Height of each floor (h)= 5 m Height of second floor from first floor…

Q: An object whose mass is 2.00 kg is lifted upward a distance of 3.55 m against the pull of gravity on…

A: Given: The mass of the object is 2 kg. The height of the object is 3.55 m. The acceleration due to…

Q: An external force of F(x) = (250.0x + 170.0x2 + 21.0x) N is applied on an object. The mass of the…

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Q: A 5.0-kg block that initially has a speed of 6.0 m/s is moving in a straight line on a level surface…

A: Concept Work done by all forces is equal to change in kinetic energy Since only frictional force is…

Q: To stretch an ideal spring 5.00 cm from its unstretched length, 17.0 J of work must be done. (k=…

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Q: A force F =(4xâ + 3y )N acts on an object as it moves in the x direction from the origin to x= 3m.…

A: Work done on an object by applying a force to displace the object is the dot product of the force…

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: 2 F (N)A 10 Find the work done by the variable force. -x(m) 25 50 125 J 250 J 562.5 J

A: Given:

Q: 7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance…

A: Solution of question 7   The driving force, F = 12000 N The car traveling distance, d = 500 m   The…

Q: 9. A particle is subject to a force F, that varies with position V as shown in Figure P7.9. Find the…

A: Work done is equal to area under force Vs displacement curve.Part A :Work done from x = 0 to x = 5

Q: A 2.00 kg particle has a speed of 4.00 m/s at point A and kinetic energy of 9.50 J at point B. What…

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Q: F = (3x'î + 2y°j) N. The force is effective on an object that starts moving in the x direction from…

A: Answer is uploaded in 2nd step

Q: Achok lifts a 12.5 kg rock and places it above a 2.40 m shelf. How much work does Achok do? O 294.3…

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Q: The force F = (4.71 N)i + (5.77 N)j acts on a particle as it moves along a straight line from…

A: Given data The vector equation of force is given as F=4.71 Ni^+5.77 Nj^. The initial coordinate is…

Q: A force F = bx acts in the î-direction, where the value of b is 3.70 N/m3. How much work is done by…

A: The above problem can be solved as follows

Q: Two constant forces F1 = 5 ^i +4.7 j +7.3^ k N and F2 = 3.6^i -4.4 j-2.3^k N act together on an…

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Q: 1. How much work is done by a force F= 9x^2+2x, with x in meters, that acts on a particle as it…

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Q: A 7.56 kg object is initially traveling in the positive x-direction at a speed of 1.7 m/s. 31.3…

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Q: - For a particle displaced by d = (3ỉ +j)m under the force F = (6î – 2j)N, find the work done by…

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Q: A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of…

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Q: 9. A particle is subject to a force F that varies with position V as shown in Figure P7.9. Find the…

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