A parallel-plate capacitor is formed from two 9.0 cm × 9.0 cm electrodes spaced 3.0 mm apart. The electric field strength inside the capacitor is 1.0 × 10° N/C.

Q: Tick the correct answer (V) and false answer (x): a- Plasma has only charged particles..... b- Debye…

A: Here we are going to check whether it is true or false.

Q: An RLC series circuit is connected to a 220V 60 Hz AC voltage. What is the phase angle o between V…

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Q: a) Write a balanced nuclear reaction for the alpha decay of 222Rn. b) The half-life of 222Rn is…

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Q: What phase is formed where the two waves of coherent source met. Is it  Destructive Interference or…

A: The sum of two waves can be less than either wave, alone, and can even be zero. This is called…

Q: 4. Show that a 5 =la+5| -|a-5|". HD

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Q: It is observed that light of 420 nm just begins to emit photoelectrons.  What is the quantum…

A: Here light of wavelength 420 nm just begins to emit photoelectrons ,it means threshold wavelength of…

Q: Q3: A stone is thrown horizontally from the edge of a building with an initial speed of 13.2 m/s.…

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Q: Three masses are attached to a 100-meter long beam as shown below. The mass of the bea, is 210…

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Q: Your gasoline runs out on an uphill road inclined at 16.5° above horizontal. You manage to coast…

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Q: A certain crying baby emits sound with an intensity of 8.0 × 10-8 W/m2. What is the intensity level…

A: The intensity level of the sound wave in dB is given by                              β = 10logIIo…

Q: Two cables suspending a 100 kg object. The cables are at different angles from the horizontal. One…

A: Given that- Two cable suspended by 100 kg object T1=35o T2=42o To determine that- Find the tension…

Q: A square-shaped ring with side a carrying a charge of Q + uniformly distributed over it Derive an…

A: Electric field due to square ring can be calculated by just replacing the radius of circular ring by…

Q: Situation 01. A crate at rest having a weight of 1.60KN was dragged with a constant force of 0.75KN…

A: The angle at which the crate is pulled = θ=tan-134=sin-135=cos-145 friction force = 0.20×1.6=0.32 kN

Q: Three balls are fired from a balcony of height h and land on the level ground outside. One is shot…

A: In cases such as the shot put where the ball is launched from a certain height above ground level,…

Q: A machine gun fires 6 bullets /s, each of mass 12 g the speed to each bullets is 16 cm/-1 then force…

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Q: Earth's neighboring galaxy, the Andromeda Galaxy, is a distance of 2.54×107 light-years from Earth.…

A: Given, Distance, d = 2.54×107 light years  Time taken, t = 70 years

Q: (20) Two balls of soft, sticky clay have the same kinetic energy but ball 2 has twice the mass of…

A: When two or more exert forces on each other for a short interval of time is known as a collision.…

Q: A space probe approaches a planet, taking measurements as it goes. If it detects a potential…

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Q: A loop of wire carrying current I (moving counterclockwise as seen from above) lies in the xy…

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Q: Which of the assumptions below is not made in the kinetic theory of gases? (Select all that apply.)…

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Q: 1. A simple pendulum has a length of 22 inches and has a mass of 1 kg on the end. How long does it…

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Q: Two coins are placed on a horizontal insulating surface a distance of 1.7 m apart and given equal…

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Q: What is the final velocity of a car that starts from rest and accelerates at 6.84 m/s^2 for 12s?

A: Write the given values with the suitable variables. u=0 m/sa=6.84 m/s2t=12 s Here, u is the initial…

Q: 1. Two parallel metal plates separated by 1.2 cm are held at 303 and 298 K, respectively. The space…

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Q: The crew of an enemy spacecraft attempts to escape from your spacecraft by moving away from you at…

A: Speed of the ship moving away v=0.291c and speed of the torpedo with respect our ship u=0.343c where…

Q: Suppose that particle A is constrained to move along the r-axis while particle B is constrained to…

A: Given:Velocity of particle A, vA = 5D2velocity of B, vB = 10D2D is distance between A and Bas A is…

Q: Calculate the speed of light in fused quartz. What percent is this of the speed of light in vacuum?…

A: The index of refraction of fused quartz is given as n=1.458

Q: Find the rest energy, in terajoules, of a 12.1 g piece of chocolate. 1 TJ is equal to 1012 J . rest…

A: Rest energy (E) = M0 c2 Where M0 = 12.1 g c = 3 x 108 m/s

Q: The spaceship Lilac, based on the Purple Planet, is 711 m long when measured at rest. When the Lilac…

A: Length of the spaceship Lilac at rest,  Lo=711 m When Lilac passes Earth, observers there measure…

Q: A piece of stone thrown vertically upwards. It reaches the maximum height in 3 seconds. If the…

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Q: 4. If each object has a charge of 4.0x10-12 C at a separation of 8.990x10-3 m, with what repel each…

A: 4.Answerq1=q2=4×10-12 Cr=8.99×10-3 m

Q: A police officer's radar gun emits radio waves at a frequency of 11.7 GHz. What is the difference in…

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Q: An object move dowageds east w am/sec foe a sec. Now it f a left and move with 3m/sec. h next 1 8ec.…

A: Given:-  An object moves towards the east with 2 m/s for  2 sec. it turns left and moves with the 3…

Q: Two blocks A and B are connected by a rope and pulled with a force F=35 N making an angle 0=25°…

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Q: The width of the central bright fringe in a diffraction pattern on a screen is identical when either…

A: The wavelength of the light is given as λ=562 nm=562×10-9 m

Q: Part C Suppose the board is not light but weighs 220 N. with its center of gravity at its center,…

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Q: A 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the…

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Q: 3. An air-core solenoid 50 cm long has 4000 loops wound on it. Compute B in its interior when a…

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Q: Do you think it is possible to instead use magnetic field from an external source to generate…

A: In order to produce the current in the circuit we need tochange magnetic flux through the circuit.…

Q: Draw the v-t and st graphs if v = 0, s = 0 when t=0. a (m/s?) (s) -2

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Q: In an insulated vessel, 236 g of ice at 0°C is added to 565 g of water at 20.0°C. (Assume the latent…

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Q: (b) In the second experiment, a ray of white light is incident on a grating as shown in figure 2.2.…

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Q: If the mass of a system is halved (m'=m/2) and the net force acting on it is doubled (F'=2F), then…

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Q: What is the current in a 40 Watt, 120 Volt electric lightbulb?

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Q: If you were to drop a large log over the edge of the Grand Canyon and it took 3.21 seconds to hit…

A: we use the formula v=u+gt

Q: Physics Freefall hope the answer are in clear writing

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Q: The x and y components of the acceleration of gravity (g) are: O g_x = -10 m/s^2, g_y = -10 m/s^2 O…

A: In the given problem we have to find the x and y components of gravitational acceleration. Magnitude…

Q: A 1000 kg car moving at 20 m/s collides with a 3000 kg truck ,moving toward it also at 20 m/s. After…

A: Given that               The mass of the car is m1 = 1000kg               The speed of the car is v1…

Q: 5. A billiard ball rolling across a table at 1.50 m/s makes a head-on elastic collision with an…

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Q: X A 10 Kg object is raised to a height of 2m in 5s. What is the rate of work done? * 10 『- 10%メ 10…

A: Given, mass of an object, m = 10 kg height above the ground, h = 2 m time taken, t = 5 s

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.