Is a quantity whose cyclic integral is zero necessarily a property?

Q: What is the work done by a 2500 kg car whose velocity is 85 km/hr? Round your answer to the nearest…

A: Given value--- mass = 2500 kg. Final velocity = 85 km/h. We have to find--- work done?

Q: Consider a conical water tank with a base diameter and height of 8 m and 10 m, respectively. How…

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Q: A spring has a natural length of 15 inches. A force of 10 lbs. is required to keep it stretched 5…

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Q: When a system can be homogeneous?

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Q: omrtime R Uncle Jack uses the following device to carry some veggies to sell in town. If mA is 1/10…

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Q: Difference between conservative and non Conservative force?

A: SOlution: Difference between conservative and non Conservative force

Q: A surprising demonstration involves dropping an egg from a third-floor window to land on a…

A: Given:-              A surprising demonstration involves dropping an egg from a third-floor window…

Q: Show that the Force of Gravity is conservative.

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Q: Discuss the Law of Conservation of Energy

A: ( Law of Conservation of Energy ) Law of Conservation of Energy states that energy can neither be…

Q: Suppose we let the radius approach zero.  What would happen to the self-potential energy?

A: As we know

Q: For the given figure, the weight of the 9-ft bar is 5 lb. If F = 4.75, the reaction exerted by the…

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Q: Why wouldn't potential energy change when a balloon is dropped to the ground?

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Q: The turbines in a hydroelectric plant are fed by water falling from a 40 m height. Assuming 90%…

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Q: A spring of spring constant 5 x 10 N/m is stretched initially by 5cm from the unstretched position.…

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Q: The work (Jili) done by any nonconservative Lailas i öä) on a particle moving through an losed path…

A: Work done = force ×displacement

Q: A bullet was fired at the trunk of a tree. If the mass of the bullet is 25 grams and has a speed of…

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Q: Compute and provide solution 1. A 23.2 kg boy fell 0.900 m out of the bed. Hom much potential…

A: Given, Mass = 23.2 kg Height = 0.900 m

Q: If work is a scalar quantity, how would explain the negative work done

A: Work is a scalar quantity because it is the dot product of two vectors (Force and displacement),…

Q: Name some physical quantities that are universally conserved.

A: The four physical quantities that are universally conserved are

Q: Help

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Q: Find the height of ball to be raised masy 18 ky to gain patential energy of of ·645J

A: Given Mass of ball = 18 kg Potential energy = 645 J We have to calculate the height attend by the…

Q: what is the dot product of C and E, if C = 3.45i - 3.5j + 3.48k and E = -3.6i - 7.11j + 3.13k?

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Q: the instant of engine height, and falls back.

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Q: Estimate the energy density (MJ/m3) of a pumped hydro store  that is 100 m above its power station.…

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Q: A bowling ball, whose radius R is 11cm and whose mass is 7.2Kg, roll from rest down a plank whose…

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Q: find the dot product of P=2.51i + 2.33j - 5.47k N and Q=2.81 + 6.09 - 1.12k m.

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Q: What do you think is the difference between the everyday usage and the Physics usage of the phrase…

A: Conservation of energy : it's states that not the energy will create nor the destroyed. Only it's…

Q: Find the dot product of P = 2.511+ 2.33-5.47k N and Q= 2.811 +6.09j-1.12k m.

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Q: If a closed system has 500 J of energy right now, how much will it have in five minutes?

A: Given: Energy = 500 J            System type:- Closed            Time = 5 minutes Asked: Energy left…

Q: What is the dot product A•B if A = 2x - 3y and B = 15x + 10y?

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Q: For the given figure, the weight of the 9-ft bar is 6 lb. If F = 5.14, the reaction exerted by the…

A: Force produces torque. This torque bring about rotation. Force may be balanced but torque may be…

Q: An object of mass 2 kg falls from a height of 5 m under the influence of the force of Earth's…

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Q: In one of the videos I said that a typical American household uses energy at a rate of about 10,000…

A: Energy=10000joules

Q: During special occasions such as New Year, firecrackers are always present to welcome another year…

A: Required : Is the force conservative in the explosion .

Q: then the dot product A.B will be equal to"

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Q: Which of the following quantity are extensive and which are intensive? With explanation

A: Intensive Properties of any physical quantity is that property which does not depend on the size or…

Q: Es of J) stored in a sys mposed of two point c 10.1uC and q2-12.4 arated by a distance veen them.

A: Given values:- Charge,(q1)=10.1 μC=10.1 x 10-6 C ----(1) Charge,(q2)=12.4 μC=12.4 x 10-6 C ----(2)…

Q: The natural length of a spring is 10cm. A force of 10N will stretch it t work done in stretching…

A: GivenNatural length of spring=10 cmForce, F=10 NAfter steching Toral length=12 cm

Q: Show complete solution. Do not round off. What work is done on a level track in bringing the…

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Q: Hydroelectricity is generated by storing water behind a dam, and then letting some of it run through…

A: depth, h = 100 m mass, m = 10,000 kg  density, d =  1000 kg/m3  speed, v = 2 m/s

Q: When does dissipated energy depend Q on the speed difference before the collision?

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Q: Consider a conical water tank with a diameter and height of 8 m and 10 m, respectively. How much…

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