How the principle of the Cavendish balance, used for determining the value of G?

Q: In a certain region of space, the electric potential is zero everywhere along the x axis. (i) From t...

A: In a certain region in space the potential is zero along x axis,   That is, for the total voltage V,...

Q: Show that the two waves with wave functions given by E1 = 6.00 sin (100πt) and E2 = 8.00 sin (100πt ...

A: The resultant wave function is,  

Q: Physics Question

A: Accuracy and Precision are the exact values of measurements and do not apply when there are variatio...

Q: Consider n equal positively charged particles each of magnitude Q/n placed symmetrically around a ci...

A: The charge on the surface of the ring,

Q: What is difference between Uniform circular motion and projectile motion?

A: When the object move in the circular path, it is called the circular motion. If the speed of the obj...

Q: An elevator in the Taipei 101 skyscraper can start fromrest and accelerate to a maximum speed of 16 ...

A:

Q: (I) What are the dimensions of density, which is mass per volume?

A:

Q: The total mass of the roller coaster is 650 kg. Use the measurements shown in the image and your kno...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you...

Q: A force acting on a particle varies with x as shown. Calculate the workdone by the force on the part...

A: The work done is measured as the area under the force versus displacement curve. Therefore, the work...

Q: A car travels 20.0 km due north and then 35.0 km in a direction 60.0° west of north as shown in 3.11...

A:

Q: 43.) Which of the following does not make use of radio waves? a. radiation therapy b. MRI scans c. r...

A: Radio waves 

Q: (II) At highway speeds, a particular automobile is capable of an acceleration of  1.8m/s2 about At t...

A:

Q: A pendulum with a length of 1.00 m is released from an initial angle of 17.0°. After 1 000 s, its am...

A: Given Data: The length of a pendulum is, l=1 m The initial angle is, θi=17.0o The final angle is, θf...

Q: If the plates of a capacitor have different areas, will they acquire the same charge when the capaci...

A: The capacitor is the device that is used to store energy or charge when it is connected to the batte...

Q: A proton, which is the nucleus of a hydrogen atom, can be modeled as a sphere with a diameter of 2.4...

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Q: There are two important isotopes of uranium, 235 U and 238 U ; these isotopes are nearly identical c...

A: The rms speed of 235U can be obtained as

Q: A steel cable 3.00 cm2 in cross-sectional area has a mass of 2.40 kg per meter of length. If 500 m o...

A: The expression for the ratio of the change in length to that of the original,  

Q: Two strings both vibrate at exactly 848 Hz. The tension in one of them is then decreased  slightly. ...

A: Two strings both vibrate at exactly 848 Hz. when both strings vibrate, 7 beats per second are heared...

Q: A laser beam is incident on two slits with a separation of 0.200 mm, and a screen is placed 5.00 m f...

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Q: A pilot performing a horizontal turnwill lose consciousness if she experiences a centripetal acceler...

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Q: A puck of mass m1 is tied to a string and allowed to revolve in a circle of radius R on a frictionle...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: (i) Rank the magnitudes of the torques acting on the rectangular loops (a), (b), and (c) shown edge-...

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Q: If you are riding on a train that speeds past another train moving in the same direction on an adjac...

A: Relative velocity: The relative velocity of an object is the velocity of the object with respect to ...

Q: A mole of ideal monatomic gas at 0 °C and 1.00 atm is warmed up to expand isobarically to triple its...

A:

Q: Three objects are brought close to each other, two at a time. When objects A and B are brought toget...

A: If any tow objects of the same sign is brought together, they repel each other. Whereas if two objec...

Q: • How far does light travel in one second? If this light were leaving Houston, what location (on Ear...

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Q: A tall tree is growing across a river from you. You wouldlike to know the distance between yourself ...

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Q: The magnitudes of two vectors A and B are A = 12 units and B = 8 units. Which pair of numbers repres...

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Q: Find the period of the pendulum 1.38 m long in elevator moving with 3.2 m/s2 up? Calculate to one de...

A: The length of the pendulum is L = 1.38 m. The elevator is moving up with acceleration a = 3.2 m/s2 C...

Q: A projectile has the least speed at what point in its path?

A: Projectile motion 

Q: The escape velocity from the Moon is much smaller than that from the Earth, only 2.38 km/s. At what ...

A:

Q: A spring with a constant k = 100N / m is placed after point-C in the frictionlessABC path. A ball of...

A: The spring constant k=100 N/m The mass of the ball m =2 kg The point A is at a height hA =1.8 m Sinc...

Q: (a) It is difficult to extinguish a fire on a crude oil tanker, because each liter of crude oil rele...

A: (a)

Q: y In one portion of a synchrotron, electronstraveling at 2.99 * 108 m>s enter a region of uniform...

A: (a) When an electron enters in the uniform magnetic field with velocity v it experiences a Lorentz f...

Q: A nylon rope of length 16m is under a tension of 1.5 × 104 N. The total mass of this rope is 2.1 kg....

A:

Q: Consider a flat, circular current loop of radius R carrying a current I. Choose the x axis to be alo...

A:

Q: Choose the correct response to make the sentence true: A component of a vector is (a) always, (b) ne...

A: A vector 

Q: A baseball bat of uniform density is cut at the location of its center of mass as shown. Which piece...

A: Centre of mass 

Q: To maximize the percentage of the power from the emf of a battery that is delivered to a device exte...

A:

Q: Why is the following situation impossible? Two narrow slits are separated by 8.00 mm in a piece of m...

A: The slit width a=8 mm=8×10-3 m The wavelength of the microwave λ=1 cm =1×10-2 m For the first bright...

Q: (I) If Vx = 9.80 units and Vy the magnitude and direction of V. -6.40 units, determine

A: The resultant magnitude will be,

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.