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Q: A stone is dropped from rest near the surface of moon. The velocity of the stone after 2 seconds is ...

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Q: A 57 kg man runs up a flight stair having a rise of 4.5 m in 3.5 s. what average power must he suppl...

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Q: The position of a material point is related to time with the expression x=At2-Bt+C, where A=2m/s2, B...

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Q: If the force and displacement are in the same direction

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Q: 18.11 Please help me answer parts b and c of this physics question

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Q: An unfortunate bug splatters on the windshield of a truck. Which of the two exerts more force on ano...

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Q: Snowshoe Race (Part H)-Which of the following position time graphs best represents the situation whe...

A: we know that velocity is time rate of change of position of any particle. ` if v be the velocity of ...

Q: Q6/ a- Find the conductivity and resistivity of intrinsic Ge at 300K. b- If n-type impurity is added...

A: An intrinsic semiconductor is one in which no or negligible dopant or impurity atoms have been added...

Q: Q. 13: Differentiate between reflection and reflection.

A: Solution: difference between reflection and refraction:

Q: What resistance do you need to connect in parallel to a 130 2 resistor to get a total of 45.0 0? Ω A...

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Q: Two charged objects have a repulsive force of 0.8 N. If the distance separating the objects is doubl...

A: If distance between the forces is d and the repulsive force is F, the relation between them is given...

Q: Boston Red Sox pitcher Roger Clemens could routinely throw a fastball at a horizontal speed of 160 k...

A: It is given that horizontal speed is 160 Km/h and distance, 18.4 meters. Since the distance is in me...

Q: 18.6 Please help me answer this physics question, there are two parts

A: a) As per the ideal gas equation, Here, P, V0, n, R, and T0 represent the gas’s pressure, the gas’s...

Q: You slide a book on a long horizontal table with the initial speed of 4.5 m/s. At some point A on th...

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Q: A wave is described by the given wave function , 8 TI o-1+ y(x,t) = 0.65m sin 5 3 The frequency of t...

A: The given equation is : y(x,t)=0.65 m sin6π5m-1 x-8π3s-1+ϕ ...(1)   The general equation of wave is ...

Q: 16- A photodiode with a energy gap of 2.35 eV. It operates at 300 K and If it is illuminated by ligh...

A: The energy of the incident proton is Ep=hcλ=6.626×10-34 Js3×108 m/s400×10-9 m=4.97×10-19 J=4.97×10-1...

Q: 19.10ef Please help me answer parts e and f of this physics question

A: The graph of T(°C) vs Q(kJ) is given mass of substance , m = 0.8 kg To find = a) Heat of fusion     ...

Q: 4. A sphere of radius R is filled with nonuniform charge per unit volume p(r) = por/R, where po is a...

A: 4. a. The total charge contained within the sphere is Qtot=ρrV=ρ0r/R43πR3=43πR2ρ0r

Q: 04: Given that the acceleration is equal to a-dv/ dt, derive the basic kinematics equations hased on...

A: Acceleration is defined as the rate of change of velocity.

Q: A pulse in a more dense medium is traveling towards the boundary with a less dense medium. Medium 1 ...

A: Here given a pulse travelling towards to high dense medium from less dense medium. We have to find o...

Q: Can you solve parts 3, 4, and 5. I tried working thourgh part 3 and got 99.124μC. However, that is i...

A: Given: The resistances R1 and R2 is 42 Ω. The resistance R3 is 71 Ω. The capacitance is 50 μF. The v...

Q: Make the following conversions: 25°C ----> °F 400K ----> °C 125°F ----> R 600R ---->...

A: Here we have to make conversions of given temperature  

Q: 24. What happens to the brightness of bullbs A and B in the circuit at right when a wire is connecte...

A: Brightness in both the bulbs stays the same. Because, there is no drop of voltage across the wire wh...

Q: Boston Red Sox pitcher Roger Clemens could routinely throw a fastball at a horizontal speed of 160 k...

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Q: In a lecture demonstration a laser of wavelength 632.8 nm illuminates a slit of width 0.12 mm. The d...

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Q: The capacitance in the curcuit is C = 0.3μF, the total resistance is R=20kQ and the battery emf is 1...

A: Capacitance of the capacitor (C) = 0.3 μFResistance (R) = 20000 ohm Emf (E) = 12 volts Initial charg...

Q: 3- Two parallel plates of area 100 cm? are given charges of equal magnitudes 8.9 x 107 C but opposit...

A: Given that: Area of plates =100 cm2 =0.01 m2 Charges on each plate = 8.9 X 10-7 C (opposite charge) ...

Q: 12. A boy delivering newspapers covers his route by traveling 100m West, 50m south an then 300m 30° ...

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Q: Two spherical drops of mercury each have a charge of 0.13 nC and a potential of 320 V at the surface...

A: Given data: Charge of each drops, q =0.13 n C Potential of each drop, V = 320V

Q: Two cars are travelling towards each other on a single lane road at the velocities 12 m/s and 9 m/s....

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Q: A 4500kg truck starting from rest, reaches a velocity of 80km/h. If the truck is moving in the west ...

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Q: In Exercises 23 and 24, copy vectors u, v, and w head to tail as needed to sketch the indicated vect...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Please help me answer all parts

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Q: A 46.14 gram iron metal is heated to 111.9°C and dropped into 112.2 gram of water at 18.6°C. When eq...

A: According to the principle of calorimetry Heat lost by the hot body = Heat gained by the cold body

Q: An apple falls from an apple tree, from a height of 15m above the ground. (a) How much time it will ...

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Q: The path of a toy rocket thrown upward from the ground at a rate of 271 ft/sec is modeled by the qua...

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Q: What is the object distance in centimeter for a person whose eyes have a power of 52.07 diopter? [Co...

A: Answer :- Power of a lens (P) = 52.07 D  Power of a lens (P) = 1/ focal length (f) in meter  P = 1/f...

Q: a tennis ball is thrown straight upward.it is caught at the same distance above the ground.The time ...

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Q: A stone is dropped from rest near the surface of moon. The velocity of the stone after 3 seconds is ...

A: SOlution: Given that g of moon = 1.6 m/s2 the stone is droped from the rest, to find teh velocity af...

Q: 3  Find the equivalent capacitance of the arrangement of capacitors shown in the figure below.

A: The capacitors 2 μF and 1 μF are connected in series, and 5 μF and 4 μF are connected parallel, and ...

Q: Approx 60 Optical Fiber The part the optical fiber represented by x is called core. Select one: O Tr...

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Q: In a right-handed coordinate system, if a negatively-charged particle moves in the +y direction thro...

A: The velocity of the particle is in the direction of motion. Let assume the velocity of the particle ...

Q: What frictional force your body with .9 * ?ground, when your mass=50kg

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Q: ise 4.8: The area of a rectangular plate was found by measuring its length and its width. The length...

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Q: Two identical sinusoidal waves with wavelengths λ = 4m, are spread in the same direction with veloci...

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Q: Find the fluid force on the vertical side of the tank, where the dimensions are given in feet. Assum...

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Q: Q.4: Find the fraction of the body centered cubic unit cell volume filled with hard spheres as shown...

A: Solution: given that V= 343 cm3 structure type is = BCC

Q: Example (2): Consider a particle whose wave function is given by p(x) = Ae-ax² What is the value of ...

A: SOlution: given that The wave functionψ(x) = Axe−αx2 to find the value fo A if the wave function is ...

Q: Identify the correct picture for refraction of light ray entering a convex lens along the focal poin...

A: If the light ray is entering a convex lens along the focal point and object is in between F and 2F t...

Q: Block A in the figure below weighs 1.40 N, and block B weighs 4.20 N. The coefficient of kinetic fri...

A: Given data: Weight of block A, WA=1.40 N Weight of block B, WB=4.20 N Coefficient of kinetic frictio...

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.