A 10cm uniform rod has a mass of 100g. Attached at its ends are 200g and 100g rubber balls. Where is the center of gravity of this rod-rubber balls system?

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Q: 7. An object with the velocity is acted on by the force shown here: P= F₂ 2² شب At this instant, the…

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Q: If the period of a wave is 0.5 sec, with a wavelength of 5 m, what is speed of the wave?

A: Given data:  Period (T) = 0.5 s Wavelength (λ) = 5 m Required: The speed of the wave (v)

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A: Given: Heat added: dQ=40 cal=40×4184 J=167360 J Work done on the system dW=-20 J The work is done on…

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Q: 2. A small plane is at a point P, which is 2600 feet directly above an observer on the ground at a…

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Q: Newton block slides down an inclined plane that has an angle of 60.0° If the coefficient of kinetic…

A: θ = 60o μk = 0.15 Let the mass = m

Q: Part C Find the velocity of block B when the energy stored in the spring bumpers is maximum. Express…

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Q: The position vector of a 2.5 kg particle is given by r=4.0 i +3.0² ĵ, where r is in meters and is in…

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Q: Determine the maximum angle for which the light rays incident on the end of the light pipe in the…

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Q: Determine the maximum angle ? for which the light rays incident on the end of the light pipe in the…

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A: Given Unit of momentum is [p]= kg.m/s Unit of mass is [m]= kg

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Q: What is the energy in joules and electron volts of a photon of 420-nm violet light?

A: Given, Photon of wavelength 420 nm. Energy of photon  = hcλ , h is planck's constant , c is speed of…

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Q: they had a toy car and propelled it by attaching a blown up balloon and releasing it, they asked my…

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Q: 1. An object at infinity (or rather, very, very far away) is viewed through two consecutive nses.…

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Q: Let s(t) = t3 - 30t2 + 18t + 47 be the position function of a car moving along a horizontal line,…

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Q: What is the wavelength of light waves if their frequency is 4.0X10¹4 Hz? A. 750 nm B. 600 nm C. 400…

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A: Given data: Frequency f = 20.1 MHz

Q: PA and B. The ice and boiling points of water are also indicated. (a) Using the data in the drawing,…

A: Freezing point in A = - 30 Boiling point in A = 60 Freezing point in B = 20 Boiling point in B = 130

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Q: Prove that the resultant wave formed by the overlapping of two harmonic waves of the same wavelength…

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Q: 5. Find u₁ and u₂ displacement. U₁ K₁ k₂ F U2

A: Notice the spring combination on top. Note that the spring k1 has a extension u1 and the spring k2…

Q: QUESTION 21 car is traveling down the road at 8.19 m/s While traveling at this rate of speed, what…

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Q: A solenoid of radius 2.30 cm has 560 turns and a length of 25.0 cm. (a) Find its inductance. mH (b)…

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Q: A temperature of absolute zero occurs at -273.15°C. What is this temperature on the Fahrenheit…

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Q: n In the PhET simulation, you see a beam on which you can place items of differing mass. What will…

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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.