There is soap film on a rectangular frame of wire of area 4 x 4 cm². If the area of the frame is increase to 4 x 5 cm². Find the work done in the process? (Surface tension of soap film = 3 x 10-2 N/m)

Q: A 200 foot chain hangs over the edge of a tall building. The chain weighs 2.5 pounds per foot. There…

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Q: A 32.5 kg box initially at rest is pushed 4.75 m along a rough, horizontal floor with a constant…

A: Solution:-Given thatmass of box(m)=32.5 kgdisplacement (s)=4.75 mConstant applied force (F)=145…

Q: A bucket full of sand has a mass of 20 kg (including the bucket and the sand). The bucket is to be…

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Q: A 55 kg block is pulled along the ground for a distance of 7.1 m by a 89 N force at an angle of 41…

A: work done can be calculated as, W=Fdcosθ,

Q: A worker pushed a 22.0 kg block 12.0 m along a level floor at constant speed with a force directed…

A: Given value --- mass = 22 kg. distance s = 12 m. angle = 22 degree.  We have to find --- work…

Q: A crate of mass 9.8 kg is pulled up a rough incline with an initial speed of 1.54 m/s. The pulling…

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Q: A body of mass m falls down through a height h. Obtain an expression for the work done by the force…

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Q: A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.44 m/s. The pulling…

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Q: A 10 cm-long spring is attached to the ceiling. When a 1.7 kg mass is hung from it, the spring…

A: Mass of the object, Natural length of spring  = 10 cm length of spring after stretch = 16 cm

Q: A tank in the shape of an inverted right circular cone has height 5 meters and radius 2 meters. It…

A: GivenA tank in the shape of an inverted right circular cone Height, h=5 mRadius , r=2 mTank is…

Q: A tank has the shape of an inverted right circular cone with height 9m and radius 19m. It is filled…

A: The radius of the right circular cone a =19 m. The height of the right circular cone b =9 m. The…

Q: What is the efficiency of a subject on a treadmill who puts out work at the rate of 100 W while…

A: Given ,Output power = 100 WInput Power = 700 W (table 7.5 intext book)

Q: A 6.1-kg block is pushed 2.6 m up a vertical wall with constant speed by a constant force of…

A: Mass of block(m) = 6.1 lg vertical displacement (y) = 2.6 m

Q: Calculate the work done by the force F→ when the car moves from x = 0 to x = 7.0 m. Calculate the…

A: Given value--- mass = 2kg. We have to find--- Calculate the work done by the force F→ when the…

Q: A 36.0 kg box initially at rest is pushed 5.45 m along a rough, horizontal floor with a constant…

A: Given values: Mass, m=36.0 kg Applied force, F=150 N Coefficient of friction, μ=0.300 Distance,…

Q: An aquarium 12m long, 2m wide, and 7m deep is full of water. The density of water is 1000kg/m^3 and…

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Q: A 7.80-g bullet moving at 460 m/s penetrates a tree trunk to a depth of 4.90 cm. (a) Use work and…

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Q: Let W = (2.70 ✕ 105 J) ln(Vf /Vi). Solve for the unknown quantity in each of the following cases:…

A: Given, W =(2.70×105 J)lnVfViwe are asked to calculate (a)the work done, given, the final volumeVf is…

Q: 1) A constant horizontal force of F = 200.0 N pushes a crate of mass m = 25.0 kg, initially at rest,…

A: Applied force is Mass of object is Distance traveled by object is Cofficient of friction is…

Q: The dot product (3i - j)•B is?

A: Assume the co-ordinate axis in such a way that positive x-axis is towards right and positive y-axis…

Q: A trunk of mass m = 0.6 kg is pushed a distance d = 30 cm up an incline with an angle of inclination…

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