Work= force times distance: W=Fd  Part A: Calculate the work done in ligting a 460-N barbell 1.8m above the floor? express your anser to two significant figures and include the appropriate units.  PArt B: What is the gain of potential energy of the barbell when it is lifted to this height?

Q: A3kg crate is placed at the bottom of an inclined frictionless plane making an angle 30° above the…

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Q: A man pushes a lawnmower on a level lawn with a force of 200 N. If 40% of that force is directed…

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Q: A force acting on an object moving along the x axis is given by Fx = (14x - 3.0x3) N where x is in…

A: Given: The force on the object is Fx=14x-3.0x3. The object moves from -1.0 m to +2.0 m.

Q: A horizontal force F is applied to move a 6kg carton across the floor. If the carton starts from…

A: Mass of carton (m) = 6 kg Applied force = F Initial speed (u) = 0 mstime (t) = 3 seconds Final speed…

Q: A force is given by the vector F = ( 13 i + 8 j) N and moves from the point (3i+ 8j) m to the point…

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Q: When released from a height ofh3= 14.00 m, a 344.00 g block slides down the path shown below,…

A: given , height , h = 14.00 m mass of the block , m = 344 .00 g =0.344 Kg final speed , v = 11.00 m/s…

Q: The potential energy function associated with a force acting on a system is U = 3x6y − 8x. What is…

A: Potential energy function is given by : U(x,y) = 3x6y - 8x To find : Force at the point (x,y)

Q: In the diagram, the angle of the incline is 0 = 28°. Although a 27_N horizontal force is applied to…

A: Introduction: Force is the vector quantity. Fundamentally it can be represented as, product of mass…

Q: The acceleration of a 2.00 kg object is shown below. If as=6.0 m/s2, and the object starts from…

A: Mass of object (m) = 2 kg The value of as = 6 ms2initial velocity of object (u)= 0 msLet final…

Q: Ik thẻ figure below, a horizontal force F a of magnitude 24.0 N is applied to a 2.57 kg psychology…

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Q: You push your physics book 1.10 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Force=0.700N

Q: A box with mass m = 39_kg slides down a Ar = 15 m ramp with incline o = 29°. Find the work done by…

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Q: A tennis ball of mass m = 0.097 kg is thrown straight up with an initial speed v0 = 14 m/s. Let the…

A: mass of ball (m) = 0.097 kg Initial upwards speed (vo) = 14 ms

Q: The dot product is an operation between two vectors and is a fundamental part of the definition of…

A: The vectors are given as,

Q: Mr. Mangan pushes a box across a frictionless surface with a force of 150 N for 8 m. Find the work…

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Q: What is the net work of a system if there is an applied force pushing it at a value of 5667.61N at a…

A: Solution: Given that applied force F=5667.61 N distance, d = 20.15 m kinetic friction coefficient…

Q: Q6/ A boxful has been moved a distance (2m) in a horizontal direction due to effect of force vector…

A: Given: Distance = 2 m in horizontal direction. Force F = 5.2i + 3j Force is given in kN 1kN = 1000 N…

Q: You lift a 3kg pumpkin to a height of 0.80 m to check it out. How much work do you do on the pumpkin…

A: Consider the formula to obtain the value of work done is, W=mgh Here, m is the mass of the object, g…

Q: The force, ? required to compress a spring by a distance ? meters is given by ?=4? newtons. Find the…

A: Given Data : The force required to compress the spring is given as F = (4x)N The initial position of…

Q: when released from rest, a150 g block slides dewn the path shown below, reaching the bottom with a…

A: Given data *The mass of the block is m = 150 g = 150 × 10-3 kg *The final speed of the block is v =…

Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

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Q: A 150 kg box is moving with constant speed on a rough surface under the effect of external force (F)…

A: Given data: Mass (m) = 150 kg Box moving with constant speed External force = F Angle (θ) = 30°,…

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

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Q: A car of weight 100 kg. To what height should it be raised so that potential energy is 1230 J? Take…

A: Given  Mass (m) = 100 kg  Potential energy (PE) = 1230 J    Gravitational Potential energy is given…

Q: what is the work done by the pushing force, in Joules? b) What is the mass of the box, in kilograms?

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Q: In an amusement park, a 500. -N girl stands on a weighing scale with a lightweight spring of force…

A: Given data: The weight or the force due to gravity acting on the girl, W=500 N. The spring…

Q: A parachute is used to slow a 3.1 kg model rocket from a speed of 32 m/s to 10 m/s. If the parachute…

A: Apply work-energy theorem on the parachute-rocket system, and solve for the work-done by the…

Q: A 4.8 kg box has an acceleration of 1.6 m/s? when it is pulled by a horizontal force across a…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The force F3,  13.88 N, acts on the block at an angle of 155.98 degrees.  If the block moves to the…

A: Here, the work done by F3 can be given as The minus sign indicates that the work done by F3 and the…

Q: The two ropes seen in the figure are used to lower a 255 kg piano exactly 6 m from a second-story…

A: From the given diagram of the system, As weight of the piano, W = 2500 N Tension, T1 =1295 N…

Q: A force is given by the vector F = ( 2 i + 5 j) N and moves from the point (3i + 4j) m to the point…

A: force = (2i^ + 5j^) N initial position = (3i^ + 4j^) m final position = (2i^ + 3j^) m

Q: A student slides her 72 kg desk across the level floor of her dormitory room a distance 5 m at…

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Q: A one-dimensional force has the form F(x) = A x2-Bx where A =1.8 N/m2 and B = 0.65 N/m. How much…

A: We have a one-dimensional force which is given by  F(x)=Ax2-Bx  where constants A=1.8 N/m2 and…

Q: A spring workout can be modeled by Hooke's law F = kx where k is force constant. When the spring is…

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Q: A 1080 kg car accelerates at a rate of 2.1 m/s/s over a distance of 18 meters. How much work was…

A: Given, mass of the car, m = 1080 kg acceleration of the car, a = 2.1 m/s2 distance traveled, d = 18…

Q: The graph (attached) shows the x component of a force that acts on an object that moves on the x…

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Q: Compute for the gravitational potential energy of a 60.0 kg mountaineer who is 500 m above the…

A: Given data: Mass (m) = 60.0 kg Height (h) = 500 m Required: Gravitational potential energy

Q: A car of weight 180 kg. To what height should it be raised so that potential energy is 1420 J? Take…

A: Introduction :  In this question we are provided it value of potential energy ,mass and acceleration…

Q: Sir Jaykel Cuenca, a royal engineer of the Aiheistdräg Kingdom, was tasked to determine an efficient…

A: (A) The work done on a cargo, when it reaches half the height of the incline from the ground is,…

Q: Little Hudson holds the 10-kgkg barbell 0.3 mm above the floor. What is the PE of the barbell…

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Q: A 10 kg brick moves along an x axis. Its acceleration as a function of its position is shown in the…

A: Please see the answer in Step 2

Q: A car of weight 120 kg. To what height should it be raised so that potential energy is 2320 J? Take…

A: Given data :- weight of car m = 120 kg potential energy U = 2320 J g = 9.8 m/s2

Q: What is the net work of a system if there is an applied force pushing it at a value of 5754.33 N at…

A: Given : F= 5754.33 N Distance d = 19.51 m coefficient of kinetic friction = 0.049 Mass of object m =…

Q: A3kg crate is placed at the bottom of an inclined frictionless plane making an angle 30° above the…

A: Work done  W = force × displacement