The coefficient of kinetic friction under block A in Fig. 24-A is 0.30 and under block B is 0.20. Find the acceleration of the system and the tension in each cord.

Q: If a 5g marble is heated using 10 calories, its temperature rises to 14.9° C. Find the specific heat…

A: Given  Mass of marble (m) = 5 g  Heat energy given (Q) = 10 cal  Change in temperature (∆T) =14.9° C…

Q: lenit ritial differcenec.bilusun tao fointy diffecencae e.biturin twio fainty f a mire carying 26…

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Q: A small vochito of mass 607 kg breaks down as it climbs a hill with an angle of inclination of 17°…

A: Given A small vochito of mass, m=607kg Angle of inclination, θ=170 Coefficient of friction between…

Q: 1. In a certain process, 10,000 cal. of heat is eliminated from the system while the system does 5…

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Q: A 3.79-kg box is thrown vertically downward with a speed of 8.92 m/s from a height of 10.37 m.…

A: Q. Given that Mass of the box m = 3.79 kg Initial speed of the box  v = 8.92 m/s  Initially, the box…

Q: This is the upward force exerted to the object. A. friction O B. weight O C. tension O D. normal…

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Q: The time for the current in the resistor of an RL circuit, in units of ms, to reach -63% of its…

A: Given:-  The resistance R = 513 ohm  The inductor L = 87.3 mH  Find:-  The time for the current in…

Q: Nuclear Physkcs: Answer the following a. The diagrams below represent two different nuclear…

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Q: Determine the resultant of the force system shown in Fig. 224 300 2 30 3 361

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Q: shining light on a metal surface. The light source emits A physicist wishes to produce electrons…

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Q: sources are  6cm apart, and they are in phase. Two paths are  drawn from the sources to a point.…

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Q: The biceps muscle exerts a muscle force of 1000N on the forearm, as per below. The muscle force acts…

A: Magnitude of muscle force F=1000N Angle made by muscle force with forearm = 300 Hence angle made by…

Q: A proton moves perpendicular to a uniform magnetic field at a speed of 2.20 x 107 m/s and…

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Q: Assuming that no molecules leave or are added to the water, what happens to the pot's mass as it…

A: the pot has a small pores on it outer surface  this leads to movement of air molecules through…

Q: An object is placed 16 [cm] in front of a diverging lens with a focal  length of -6.0 [cm]. Find (a)…

A: Using lens makers formula, 1v -1u =1f  here, v is the image distance  u is the object distance  f is…

Q: A metal rod 0.750 m long is places on a mass balance and is found to have a mass of 245 g. It is in…

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Q: 5. If 528 kJ of heat are added to 2.5 kg of helium at constant volume process when the initial…

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Q: A bubble rises from the bottom of a lake of depth 80.00 m, where the temperature is temperature at…

A: Given Depth of lake, h=80 mAt Bottom T1=7°C=7+273=280 K , d1=1 mm=10-3 mAt surfaceT2=19°C 19+273=292…

Q: 2. In another process: from 8 kcal, internal energy increased to 12 kcal. 6 kcal of work is also…

A: Given(s): The initial internal energy of the system, U1=8 kcal. The final internal energy of the…

Q: Which of the following statement/s is/are accurate? For non-uniform body, the center of…

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Q: 10 A B 8- F 2. C D 4 6 8 10 12 14 16 18 20 22 24 26 Time (seconds) Speed (m s-') 2.

A: Answer:-  C to D line shows constant position.    Because    A body moves from C to D speed is zero…

Q: A beam of light has a wavelength of 650 nm in a vacuum. (a) What is the speed of this light in a…

A: Given data as per question  wavelength = 650nm refractive index = 1.47

Q: THE MOST HIGH INDICATORS OF THE COEFFICIENT OF NATURAL LIGHTING IN THE RESIDENTIAL PREMISES

A: ANS: 3. Same for the whole room

Q: Part A What is the electric potential at this point? At one point in space, the electric potential…

A: Electric potential is define as the potential energy per unit charge

Q: The length of expansion (in meters) of a 2m copper pipe if its temperature is raised from 23°C to…

A: original length (Lo) = 2 m initial temperature = 23oC final temperature = 978oC α = 1.66×10-5…

Q: A box is dropped from a certain height and it takes 1.37 s to reach the bottom, what is its speed at…

A: Given Initial velocity of box = u = 0.0000 Time taken to reach the ground = t = 1.3700 s…

Q: given a GRIN slab of refraction index n(y)=n_0(1-1/2 α^2 y^2) and length d, show that the elements…

A: Refraction is the deflection of light or wavelength when it passes obliquely through the interface…

Q: What is the unit of force that affects both the electric and magnetic fields?

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Q: What is the direction of the induced emf in the circular loop below? wire is entering a constant…

A: We can determine the direction of induced current by Lenz's law .

Q: An object has positive electric charge whenever; (A It has an excess of electrons. B The nucleus of…

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Q: What is the fluid flow of water in a container filled with water which have a hole, as shown in…

A: Given data :- Height up to which water is filled H = 1.5 m Height of hole h' = 25 cm = 0.25 m So the…

Q: horhombic crystal is now studied. Evaluate the Bragg angle for the (222) reflection if a =3Å, b=…

A: Given:-  an orthorhombic crystal is now studied. a = 3å, b= 3.5å and c=8å Find:- what is the Bragg…

Q: A car is moving on a straight road 20-5 m/s. It is acceleration at 25 m/s? . What will be it's…

A: Given data :                      Time      =     t               Acceleration    =    a…

Q: For which time period, is there a constant velocity of 10 m/s?

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Q: Question 8 Satellite A and B are both in stable orbit of the Earth, but Satellite B is twice as far…

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Q: An electric dipole in a uniform horizontal electric field of magnitude 2.5 x 105 N/C is currently at…

A: Since the dipole starts with and angle θ and moves without losses, it will swing to a angle θ on the…

Q: A projectile is thrown vertically upward if it takes 1.37 s to reach the point where the speed is…

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Q: What is the electric flux through a sphere of a radius 5m that contains a positive 40…

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Q: How do objects appear when all of the colors of light are absorbed? Reflected? Selectively absorbed?

A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…

Q: B Position (meters) Position (meters) Velocity (m/s)

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Q: An aluminum plate has a circular hole. If the temperature of the plate increases, what happens to…

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Q: Explain the difference between a scalar and a vector in connection with displacement and distance.…

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Q: 5) With A any vector, (Ā · V)F = Ā. (a) Verify this result in Cartesian coordinates. (b) Verify this…

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Q: What will be the unknown resistor value in ohms R x if R 1=250 ohms?

A: For a balanced wheatstone bridge condition , RS=PQ Where P,Q, R, and S are the four resistance of…

Q: Tom enlists the help of his friend John to move his car. They apply forces to the car as shown in…

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Q: Physics Two pellets, each with a charge of 1.2 microcoulomb (1.2×10−6 C), are located 2.6…

A: Given: The charge on each pallet is 1.2x10-6 C. The separation between pallets is 2.6x10-2 m.

Q: Assuming a frictionless track, find the speed of the cart at X (the lowest point). Round off to four…

A: Solution: All the potential energy of the cart at point W is converted to kinetic energy of the cart…

Q: One end of a uniform e = 4.00m long rod of weight w is supported by a cable at an angle of 0 = 35°…

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Q: Distinguish Fire from Flame.

A: Fire (material that is in) the state of burning that produces flames that send out heat and light,…

Q: A long straight (line) conductor carries a current i that increases at a rate di/dt. Below this…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”