A helicopter lifts a 80 kg astronaut 20 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/11. How much work is done on the astronaut by (a) the force from the helicopter and (b) the gravitational force on her?

Q: 2. A boy pushes on a pig with a force F = 490 i + 230j N, giving the pig a displacement d = 1.77i+…

A: Given-   Force F=490 i+230 j NDisplacement d=1.77i+1.90j m

Q: Consider a system of an 85.0 kg man, his 19.5-kg dog, and the earth. The gravitational potential…

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Q: A horizontal rope with 15 N tension drags a 25 kg box 2.0 m to the left across a horizontal surface.…

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Q: A mass of 8 kg is traveling at a constant 10.8 m/s when a 39 N force, F, starts to act in the…

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Q: A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to…

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Q: A single force acts on a 3.2 kg particle-like object in such a way that the position of the object…

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Q: A person exerts a horizontal force of 500 N on a box, which also experiences a friction force of…

A: Given data: Force applied by person on the box = 500 N towards the right. Friction force on the box…

Q: In the plot shown of force vs. distance, approximately how much work is done in moving an object…

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Q: How much work is required to move an object from x = 0 to x = 5 (measured in meters) in the presence…

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Q: 20. A 0.58 kg box is pulled with 70 N of force at an angle of 150 above the horizontal across a flat…

A: Given: m = 0.58 kg, F = 70 N, θ = 15°, s = 17 m

Q: The force F(x) varies with position, as shown below. Find the work done by this force on a particle…

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Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.82 kg book as the book…

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Q: The figure below gives the acceleration of a 2.25 kg particle as it is moved from rest along an x…

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Q: A constant force of 40N in the positive x direction acts on a 4.0-kg object as it moves from the…

A: We are given that A constant Force of 40N  acting along positive x-axis acts on a 4.0kg object as it…

Q: A constant force of magnitude 10 N makes an angle of 150 (measured counterclockwise) with the…

A: The expression of the force in x and y directions,

Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.98 kg book as the book…

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Q: To push a 52-kg crate across a floor, a worker applies a force of 190 N, directed 22° below the…

A: Given: The mass of the object is  55 kg. The applied force is 190 N 22o below the horizontal. The…

Q: A 5.0 kg block is dragged over a rough horizontal surface by a constant force of 22 N at an angle of…

A: Calculate the acceleration of the block due to the applied force. v2-u2=2aSa=v2-u22S=6.0 m/s2-4.0…

Q: The only force acting on a 4.0 kg canister that is moving in an xy plane has a magnitude of 5.5 N.…

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Q: Figure shows a girl pulling a wagon with a force of 50 pounds.How much work is done in moving the…

A: Force applied (F) = 50 N Distance moved (d) = 100 feet = 30.48 m Angle between Force and direction…

Q: Acontainer with a mass of 5 kg is lifted to a height of 8 m How much work is done by the…

A: Given, Mass, m=5 kg Height, h=8 m To Find: Work done by gravitational force and external force…

Q: As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to…

A: To determine: A young man Tarzan climbed up a vine to reach the tree house, what did the king of…

Q: I attached the problem. Thanks

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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: I am riding an elevator that has a constant upward acceleration while the elevator travels upwards a…

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Q: a single frictionless roller-coaster car of mass m 750 kg tops the first hill with speed vo = 17.0…

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Q: Suppose in the figure that + 1.10 x 103 J of work are done by the force F 30.0 N in moving the…

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Q: In the figure shown, if the mass (m36 Kg) is moving with constant speed and traveled a distance d314…

A: mass (m)= 6 kg distance covered (d) = 14 m speed = constant F = 15 N θ = 53o

Q: Initially at rest, a block with a mass of 6 kg above a frictionless surface is pulled to the right…

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Q: A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 12-N force acting 300…

A: Given data:  Force (F) = 12 N Angle (θ) = 30° above the horizontal  Distance (s) = 8.0 m Required:…

Q: A constant force of 15 N in the negative y direction acts on a particle as it moves from the origin…

A: The expression for force vector is given by,

Q: A tennis ball (mass = 0.060 kg) is thrown horizontally from the top of a cliff, 10.0 m above the…

A: Given information: The mass of the ball (m) = 0.060 kg The height of the cliff (h) = 10.0 m initial…

Q: A helicopter lifts a 83 kg astronaut 12 m vertically from the ocean by means of a cable. The…

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Q: A force of 20.0 N acts on a 5.0 kg object through a parallel distance of 1.3 m. How much work is…

A: Given:- Force = 20 N mass of object =5 kg   parallel distanace=1.3 m  Find:- How much work is done…

Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A: Given: The coordinates are x,y=3.7 m,4.78 m. The magnitude of force is F=2.08 N. The angle from the…

Q: A constant force of 40N in the positive x direction acts on a 4.0-kg object as it moves from the…

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Q: A particle was subjected to a force F, that varies with position as described by the F vs. x graph…

A: Work done = Area under the curve Work done from 0 to 10 m = Area under the curve from 0 to 10 m work…

Q: .How much work is required to move an object from x=2 to x=4 (measured in merters) in presence of…

A: Given:  F(x) = 4 / x2 from x = 2 m to x = 4 m

Q: How much work does the force F(x) = (−2.0/x) N do on a particle as it moves from x = 2.0 m to x =…

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Q: In the figure, a frictionless roller coaster car of mass m = 992 kg tops the first hill with speed…

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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: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A: Work done is,

Q: A 2.0-kg projectile moves from its initial position to a point that is displaced 20 m horizontally…

A: Mass, m = 2 kg Horizontal displacement = 20 m  Vertical displacement = 15 m

Q: The only force acting on a 4.2 kg canister that is moving in an xy plane has a magnitude of 3.6 N.…

A: According to the work-energy theorem, the change in the kinetic energy of the canister equals to the…

Q: A particie moves 5m in the positive x direction while being acted upon by a constant force F= 4i +…

A: Work is defined as  W=∫F→·dS→ Here F→ is force and S→ is displacement.

Q: Consider again pulling a 60 m rope up a cliff face, where the rope has a mass of 66 g/m. At what…

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Q: 1830 N 1295 N 60° 45° 2500 N FG

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Q: An object moving along the x axis is acted upon by a force F, that varies with position as shown.…

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Q: A man pushes a car with a constant force F = (160 N) i - (40N) j and displaces it ∆x = (14 m) i +…

A: Given data: Applied constant force (F) = (160 N) i - (40N) j Displacement (∆x) = (14 m) i + (10m) j…