Consider the rectangular cardboard shown in the figure. If you cut a hole in the material, the center of gravity will; a. shift below neutral axis B. shift above neutral axis c. be on same axis

Q: A swimming pool has dimensions 36.0 m ✕ 6.0 m and a flat bottom. The pool is filled to a depth of…

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Q: An electric dipole in a uniform horizontal electric field of magnitude 2.5 x 105 N/C is currently at…

A: Because there are no losses and dipole starts with an angle θ on one side, it will move to an angle…

Q: Which of the following is a strong piece of evidence for the curvature of spacetime?

A: ANS: a. gravitational wave detections made by LIGO.

Q: A circular coil with a diameter of 14.1 cm is made up of thin wire wound into 736 turns. It is…

A: Bormal to plane is at an angle 90°-17.3°=72.7° with the direction of magnetic field

Q: A lemon crate with a weight of 175 N accelerates along a frictionless surface as the crate is pulled…

A: Mass of crate (m) = 175/9.8 = 17.86 kg  Horizontal force Fx = 18×Cos25° = 16.31 N

Q: Convert 1000R to K. 555.22 O 541 222.55 O 268

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Q: A pitcher throws a baseball of mass m 0.150d kg with a velocity of 43.7 m/s. The momentum of the…

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Q: A bag of wheat weight 430 kg. To what height should it be raised so that potential energy is 7790J?…

A: Given data :                 Acceleration  due to gravity    =   g                         Potential…

Q: Determine which of the following is a scalar quantity. All of the above Momentum…

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Q: WHEN ASSESSING NATURAL LIGHTING, THE MOST OBJECTIVE INDICATOR (METHOD)

A: ANS: 1. light coefficient

Q: 1. A 200 kg missile is launched at a speed of 1,000 m/s, east. Calculate the momentum of the…

A: According to Bartleby guidelines we can only solve the first question at a time. Kindly post rest of…

Q: What is the maximum energy in electron volts of the photos?

A: Here the energy =charge of electrons × voltage it passes through ANS: so the maximum energy will be…

Q: The specific heat of ice is 2.100 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

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Q: 1. A 1 cm object is placed 5cm in front of a converging mirror with a radius of 25cm. Locate and…

A: As per the policy we are answering the first question . for second kindly re post

Q: Two round metal plates 0.40 m in diameter are separated by a sheet of mica 0.30 mm thick, whose…

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Q: In Newton's Law of Universal Gravitation, the relationship between gravitational force and distance…

A: Newton's law of gravitational force is given as                     F = Gm1m2r2 Where G is the…

Q: The mass density of our universe is measured to be about 10-29 kg/m3. If an arbitrary point is…

A: mass density of our universe is measured to be about 10-29 kg/m3. If an arbitrary point is chosen as…

Q: 4. Joseph sweeps his sidewalk with a broom. Joseph pushes a pile of dead leaves for distance of 10…

A: Given:Joseph pushes leaves for distance 10 mJoseph performs 35 Joule of workTo find:Force uses by…

Q: what is the theoretical ratio of final kinetic energy to to the initial potential energy of an…

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Q: Consider holding a heavy chair at arm's length for 3 minutes. At the end of this interval, your arms…

A: we can define work as follows: W=Fd Where,  F is the force W is the work done D is the displacement

Q: Two energy levels in a particular atom are at energies of -23.4 ev and -28.5 ev. When an electron…

A: Given: The energy of the first level is -23.4 eV. The energy of the second level is 28.5 eV.

Q: ohm occurs between 2 atoms. How much amper(A) is needed to obtain 5.8x10^-19 joules of electro…

A: Given:-  The resistance R = 0.8 ohm  The power is given as P = 5.8 x 10-19 J/sec  Find :-  How much…

Q: In the Atwood machine shown in the figure, the mass on the left is an empty bucket of mass 0.48 kg,…

A: The mass on the left is an empty bucket of mass 0.48 kg, which is given applies a downward force of…

Q: Draw a circuit diagram for a circuit that has one battery and two light bulbs connected in series.…

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Q: Determine the momentum of a car having mass 100 kg moving with a velocity 12 m/s

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Q: a. electric current that flows in the circuit b. the voltage in points A, B, C and D (VA, VB, Vc and…

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Q: What is the acceleration produced by a force of 125 N exerted on an object of mass 20 kg.

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Q: An object is placed 8cm in from a convex mirror which has a radius of curvature of 15cm. Find the…

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Q: 12V R4 14. A voltmeter with high internal resistance is more accurate than with low internal…

A: Solution:-

Q: When you have a circuit with both series and parallel resistors, what do you do first when…

A: the basic rules for combination of series and parallel of resistances are given as R = R1 + R2 for…

Q: A 12-foot steel bar with 3/8 inch-diameter was stretched to 12 feet and 2 inches. The YM of steel is…

A: 21) 12 foot =12×0.3048 m =3.6576 m

Q: Assuming a frictionless track, find the speed of the cart at X (the lowest point). Round off to four…

A: Solution: All the potential energy of the cart at point W is converted to kinetic energy of the cart…

Q: Which colours of light emitted from an atom is associated with the most and least change in energy

A: We know, Energy = Planck's constant * frequency

Q: A light source generates a planar electromagnetic that travels in air with speed c. The intensity Is…

A: Intensity of electromagnetic wave (I) = 5.7 Wm2

Q: Ohm's Law tells us that if you increase the voltage in a circuit but don't change anything else, the…

A: According to ohm law current is directly proportional to voltage.

Q: Water is flowing in a pipe with a circular cross section but with varying cross-sectional area, and…

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Q: Nuclear Physkcs: Answer the following a. The diagrams below represent two different nuclear…

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Q: A pitcher throws a baseball of mass m = 0.150 kg with a velocity of 43.7 m/s. The momentum of the…

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Q: What value for the Hubble constant would another galaxy in the universe observe?

A: ANS: c) a unique Hubble constant for that specific location in the universe.

Q: A metal rod 0.750 m long is places on a mass balance and is found to have a mass of 245 g. It is in…

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Q: Vector u is a scalar multiple of vector v . What can be concluded about: a. The dot product of these…

A: Vector u is a scalar multiple of vector v

Q: In the reaction shown, the Cm is known as the _____ nucleus, and the Pu as the _____ nucleus. Cm Pu…

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Q: The ____________ is the most important layer of the ionosphere for refracting HF radio wave and at…

A: Ionisation is the process in which electrically charged and neutral atoms and molecules gain or lose…

Q: What is the pressure at a depth of 30.0 m from the surface of the lake? However, the atmospheric…

A: We know, 1 mH2O = 9806.65 Pa. So, the atmospheric pressure = 10.4 ×9806.65 = 101989.16 Pa. Pressure…

Q: Q4) Explain briefly the principle of critical angle required for total internal reflection.

A: Total internal reflection (TIR) is the phenomenon that involves the reflection of all the incident…

Q: How do objects appear when all of the colors of light are absorbed? Reflected? Selectively absorbed?

A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…

Q: Problem #5 One end of a uniform = 4.00m long rod of weight w is supported by a cable at an angle of…

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Q: Which line/s represent/s constant acceleration?

A: Introduction :- Here four different lines have been shown in the velocity-time graph. We need to…

Q: Suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveling…

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Q: Find the value of kinetic energy stored in ball of mass 2.5 kg moving with velocity 2.1 m/s

A: Given data :                      Mass    =    m               Velocity       =     v           To…

Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.