Calculate the entropy of an Einstein solid with 1024 oscillators and 10™ units of energy. 21 J/K 85 J/K 37 J/K 77 J/K
Q: power mower does 8 x 104 J of work in 0.4 h. What power does it use
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Q: Q2: The boat in Fig.2 is traveling at 40km/h. The rope to tow the parasail is 150m long. At the…
A: Given: Initial velocity of boat is 40 km/h Length of the rope to parasail is 150 meters At t=0…
Q: If the magnitude of vector A is 5 units, the magnitude of vector B is 9 units, and the angle between…
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Q: 1] The angle between two vectors A and B, that are starting from the same point is 60°. If A = 7i-…
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Q: 10. Conservative or Not Conservative F(x, y) = аxi + аy) x2 + y2
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Q: A 13,732-watt motor is used to lift a 5,908 kg aircraft to a height of 5 m. How much time (in…
A: Given : Power of motor (P) = 13732 Watt Mass of aircraft (m) = 5908 kg Height (h) = 5 m
Q: If the energy stored in the spring when it was stretched .25 m was used to launch a .1kg ball…
A: Given, m=0.1 kg x=0.25 m energy stored in the spring =12kx2 Where k is the spring constant and x is…
Q: A crate of mass 95.6 kg is pushed along a floor with a force of 30 N for a distance of 18.5 m.…
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Q: 1) Find FF u=0.5 2) Find FN and Fparallel Inclined plane 30° 20kg थे 80N
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Q: Use the definition of scalar product, a b =ab cosθ, and a b =ax bx + ay by to calculate the angle in…
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Q: (b) How much work would have to be done to bring a 980-kg automobile traveling at 72 km/h to a stop?…
A: Given data: Mass (m) = 980 kg Initial velocity (u) = 72 km/h Final velocity (v) = 0 Required: The…
Q: A body of mass 2 kg was dropped down from a height. If the KE attained by it is 400 J, find the…
A: Solution:-Given thatmass of body (m)=2 kgKE attained by the mass (KE)=400 J
Q: A 2-kg block of wood is pushed by horizontal force of 10 N to a distance of 3 m. The work done…
A: Given: Mass of block m= 2 Kg Force applied F= 10N Distance d= 3m
Q: Calculate the value of force applied if work done is 255 J and displacement is 15.3 m.
A: Given data : Work done = W Displacement = d…
Q: A force of 80N [left] is applied to a desk making it slide 12 m [left] across the floor. How much…
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Q: A boy applies a steady force of 32 N to a cart and pushes it 12 m in 16 s. What is his power
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Q: What work is done on a level track in bringing the velocity of a train weighing 200 tons from zero…
A: Given data: The weight of the train is W=200 tons. The initial speed is u=0 mi/hr. The final speed…
Q: Find the value of force applied if work done is 215 J and displacement is 8 m.
A: Given data : Work done=W Displacement=d Required : Force
Q: A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump,…
A: solution: Apply the conservation of energy for this motion. At the maximum height, the speed becomes…
Q: Why can't vectors be added algebrically?
A: Vector has both magnitude and direction.
Q: 20) Which of the following statements is true about the relationship between the scalar product of…
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Q: A box is pulled with a force of 60 N to produce a displacement of 13 m. If the angle between the…
A: Given, Force F = 60 N Displacement d = 13 m Angle θ = 20 degree
Q: Find the work performed when the given force F is applied to an object, whose resulting motion is…
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Q: 22) A compact car can climb a hill in 10 seconds. The top of the hill is 31 meters higher than the…
A: 22. The work needed to climb the hill is W=mgh=1027 kg9.8 m/s231 m=312002.6 J
Q: or the two vectors and in the given figure, (a) find the scalar product. (b) find th lirection of…
A: A vector can be written as A̅ = Ax î + Ay ĵ Ax = A Cosθ Ay = A Sinθ
Q: (b) Suppose that 2 J of work is needed to stretch a spring from its natural length of 0.15 m to 0.2…
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Q: A man is lifting a 1 bag of cement in unknown direction with a magnitude of 10 meters and a height…
A: Given, Mass of bag,m=1 kg Height,h=7 m
Q: 9. Conservative or Not Conservative F(x,y) = (x²-yx)î + (y² – xy)j
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Q: The vector product of two vectors has maximum value, if the angle between them is 90º Select one:…
A: Suppose one vector is A→ and another vector is B→ The vector product of two vectors is calculated…
Q: 5. In each case, find the x- and y-components of vector : (a) A= 3.20 +6.50); (b) A 18.2ĵ-7.91î; =…
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(3)
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