: A metal wire of length 2.5 m and area of cross section 1.5 x 106 m² is stretched through 2 mm. Calculate the work done during the stretching. [Y = 1.1 x 10¹¹ Pa]
Q: A block of wood is compressed 2.00 nm when inward forces of magnitude 141 N are applied to it on two…
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Q: A construction crane lifts a prestressed concrete beam weighing 3 short tons from the ground to the…
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Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…
A: Given M = 287 kg Coefficient of kinetic friction, u = 0.253 Force P makes angle 17.1 ° What is…
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: An 85 cm cubical box is tied to the roof of a car. Estimate the additional power needed to travel at…
A: using the formula, CD = Fdrag0.5×ρ×u2×AFdrag = CD×0.5×ρ×u2×A
Q: A block of wood is compressed 2.00 nm when inward forces of magnitude 132 N are applied to it on two…
A: GivenMagnitude of inward force,F=132 NBlock is compressed to distance, x=2.00 nm
Q: A force of 14 lb is required to hold a spring stretched 4 in. beyond its natural length. How much…
A: force = 14 lb stretch (d) = 4 in
Q: A wire of length 5 m and 1 mm is stretched by 1load of 10 N. If Y = 2 x 10" N/m2, find the work done…
A: To find-Work done per unit volume (W)=?Given-Length of wire (L)=5 mRadius of wire (r)=1 mm=1×10-3…
Q: Ex 12 : Calculate the work done in blowing a soap bubble of radius 0.5 cm. Surface tension of soap…
A: Radius of soap bubble r = 0.5 cm = 0.005 m Surface tension of soap solution is T = 2.5 × 10- 3 N/m
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: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…
A: Given that, Mass of crate M = 287 kg angle below the horizontal direction Θ =17.1 0 the coefficient…
Q: A spherical tank of diameter 6 m is full of water. Set-up the integral for the work done in pumping…
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Q: A typical muscle fiber is 2cm long and has a cross-section area of 3.1x10^-9m^2. When the muscle…
A: Work don by muscle is W = Force × Change in length = F × dr.
Q: A metal wire of length 2.5 m and area of cross-section 1.5 x 106 m² is stretched through 2 mm.…
A: We have to find work done (W) Given that, Length of wire L is 2.5 m Y is 1.25×1011 N/m2
Q: Chapter 2, Problem 2/082 A commercial airliner with four jet engines, each producing 98 kN of…
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Q: A block of weight w sits on a plane inclined at an angle as shown. (Figure 1) The coefficient of…
A: The weight of the block is w. The angle of iinclination is θ. The coefficient of kinetic friction is…
Q: A force of 30 N acts on an object with mass 5kg, and the object is displaced 10 m along a rough…
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Q: While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute, displacing…
A: Given:- While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute…
Q: A 2.28 kg block is pushed 1.69 m up a ver- tical wall with constant speed by a constant force of…
A: Visualize the Problem:
Q: A truck has a gross weight of 1.0 x 106 N. Assuming that the concrete road has a coefficient of…
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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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Q: A wire 2.5m long & diameter 0.8mm is stretched by a load ION. Find the mark done if Y es 2x 10″N/m².
A: We need to find-Work done (W)=?The data given as-Length (L)=2.5 mDiameter (D)=0.8 mm=8×10-4 mRadius…
Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…
A: Given:- The mass of creat is m = 287 kg The force P applied on creat angle of θ= 17.1° below the…
Q: A soap bubble of radius 12 cm is blown. Surface tension of soap solution is 30 dyne/cm. calculate…
A: We are aware that a 12 cm-diameter soap bubble has been blown.The soap solution has a 30 dyne/cm…
Q: 1) A block of mass m = shown. The coefficient of kinetic friction between the block and the wall is…
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Q: The work done by a variable force is given by W = ∫ F dx. Calculating this integral is equivalent to…
A: Given W = ∫F dxstretch rubber band fromx = 0 to x = 12 xmax
Q: There is soap film on a rectangular frame of wire of area 4 x 4 cm². If the area of the frame is…
A: We need to compute-Work done (W)=?The data given as-Initial area of film (A1)=4×4 cm2A1=16…
Q: Timothy weighs 515 N. he runs up a 16.5m tall building and jumps off. When he reaches the ground, he…
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Q: Let W = (3.40 x 10° J) In(V-/V). Solve for the unknown quantity in each of the following cases. (a)…
A: Given, an expression for work as follows,W =(3.40×105 J)lnVfViwe have to calculate,(a) the work…
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