k,e² nh

Q: 17) What will be value of inductive reactance, X. and capacitive reactive Xc in a DC circuit?

A: The inductive reactance is measure of opposition of changing in current flow. Formula of inductive r...

Q: s shown in the given figure, a small sphere of mass 0.25 g that carries a charge of 9.0 × 10^−10 C. ...

A: The formula for the electric field due to long infinite sheets are: Using the above formula, the ex...

Q: exchange [Select] to equilibrate [Select] [Select] temperature thermal energy

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Q: I need a summary, well explained about resistors in series with its mathematical equation.

A: When the resistors are joined together in a one-line, then they are said to be in series connection....

Q: Why should you not connect an ammeter directly across a voltage source as shown ? (Note that script ...

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Q: fringe distance

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Q: 7. Physics: A baseball is thrown directly upward with initial velocity of 75 ft/sec from an initial ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Can all of the currents going into the junction as shown  be positive?    Explain.

A: Given: three currents

Q: A wrench 0.8 meters long lies along the positive y-axis and grips a bolt at the origin. A force is a...

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Q: An hydraulic car lift at the repair shop except the area of the large piston is 150 times that of th...

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Q: Use the following data to calculate the velocity and acceleration of a free falling object.  The obj...

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Q: Why does classical physics predict that atoms should collapse?

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Q: Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the ...

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Q: A 0.900 m-long metal wire has a circular cross section of diameter 0.950 mm. One end of the wire is ...

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Q: The height of a helicopter above the ground is given by h = 3.50t3, where his in meters and t is in ...

A: Given:- Height of the helicopter = 3.50 t3 Time = t = 1.85 s

Q: A skier leaves the end of a horizontal ski jump at 21.0 m/s and falls through a vertical distance of...

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Q: A missile silo is used to launch test rockets vertically upward out of the silo, giving the rocket a...

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Q: When the reflected path from one surface of a thin film is one full wavelength different in length f...

A: For constructive interference phase difference must be 0 or For destructive interference phase diff...

Q: The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in Fi...

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Q: Using energy considerations, calculate the average force a 60.0-kg sprinter exerts backward on the t...

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Q: A 216.2 kg satellite is geosynchronous orbit around the Earth stays over the same spot and takes 24 ...

A: The height of the satellite above the surface of the Earth is given by the equation,

Q: What is the force of gravity between two 1000 kg cars separated by a distance of 20 m on a highway? ...

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Q: Determine the frequency of the lowest three harmonics at which a closed-end air column would sound o...

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Q: Could you help with these questions?

A: As per the guidelines first 3 subpart are solved.  1)a) Free body diagram  

Q: A spherical interplanetary probe, with a diameter of 2 m, is sent out into the solar system. The pro...

A: Given: Diameter(D)=2m Emissivity =0.9 Absorptivity = 0.1 Surface Temperature =-40C=233K Surronding T...

Q: 1. Consider an RC curcuit shown in Figure 1 of charging capacitor given with time constant T=RC=0.05...

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Q: The excess internal energy of metabolism is exhausted through a variety of channels, such as through...

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Q: can you use the formulas from the picture please?

A: Given:- 1. Far point = q = - 5 m 2. Near point = q = - 200 cm = - 2 m    Object distance = po = 25 c...

Q: Do humans receive more radiation from artificial or from natural sources of radiation?

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Q: An electric current heats a 250 gram sample of copper wire from 20°C to 45°C.  How much heat was gen...

A: * Temperature change is    

Q: A certain sample of metal has a mass of 3 kg and a volume of 250 cm3.  What is its density? A 50 gra...

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Q: The force F3,  13.88 N, acts on the block at an angle of 155.98 degrees.  If the block moves to the ...

A: Here, the work done by F3 can be given as The minus sign indicates that the work done by F3 and the...

Q: A) mass =200g displacement =28cm b) mass = 300g displacement = 43cm and find spring constant for bot...

A: The free body diagram of the given system is,

Q: A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.5 m/s 2. The driver t...

A: A car starts from rest(u=0)and travels for 5.0 s (t=5)with a uniform acceleration(a) of +1.5 m/s2, S...

Q: The world long jump record is 8.95 m (Mike Powell, USA, 1991).     Treated as a projectile, what is ...

A: Given: Take off speed (u) = 9.6 m/s.

Q: Suppose a 200-kg motorcycle has two wheels as shown and is heading toward a hill at a speed of 30.0 ...

A: a. According to the conservation of energy, total energy at the top of hill is equal to the total en...

Q: Due to length contraction, you see people in a spaceship passing by you as being slightly narrower t...

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Q: A small object of mass 3.80 g and charge 218 μC is suspended motionless above the ground when immers...

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Q: (a) What is the average useful power output of a person who does 6.00×106 J of useful work in 8.00 h...

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Q: If Planck’s constant, h, were larger, would atoms be larger also? Defend your answer.

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Q: Calculate the electric field at one corner of a square 1.22 m on a side if the other three corners a...

A: Given, side of the square 1.22m Charge at three corner is 2.25×10-6  

Q: Shows a cube at rest and a small object heading toward it. (a) Describe the directions (angle θ1) at...

A: Given information: Here, v2 and v2’ are the initial and the final speed of the massive cube.

Q: A 150 lb box sits on a smooth horizontal surface, while a second downward force of 35 lbs is also ap...

A: The force vectors acting on the box are illustrated in the diagram shown below:

Q: Your friend says that the wavelength of light waves is less in water than in air and cites Figure 28...

A: Given: wavelength of light waves in water

Q: How much heat must be added to 1.0 kg of iron to raise its temperature from 20°C to 95°C?  (ciron = ...

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Q: On a planet A, a box of chocolates weighs 3.00 N. If the box takes 3.50 s to reach the ground when d...

A: Given: weight of the box on planet, Wp = 3 N             time taken by box to reach the ground, t = ...

Q: A spring is attached to the ceiling and pulled 18 cm down from equilibrium and released. The amplitu...

A: Given: Spring stretched by (x) = 18 cm. Amplitude decreases by 10% in each second.

de Broglie Equation

The sketch of matter waves is drawn below: