The weight of box is 3kg (us=0.4 uk=0.3). Find the limiting frictional force and the magnitude of the frictional force at the instant. State also its state of motion

Q: In the figure the current in resistance 6 is ig - 1.31 A and the resistances are R1 - R2 - R3 1.72 Q...

A: Given, i6 = 1.31 A R1 = R2 = R3 = 1.72 ΩR4 = 17.8 ΩR5 = 7.47 ΩR6 = 3.54 Ω

Q: A projectile is fired with an initial velocity of 320m/s at an angle of 15 deg with the horizontal. ...

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Q: Define: Donors & Acceptors?

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Q: A block off wood of maR8 350g is moring at a speed of 5 mi. 8peed ofs ms. is moving at Fin d its kE ...

A: The kinetic energy of the body is the energy that it possesses due to its motion. Kinetic energy of ...

Q: Data Table 3.1: Varying Radius Trial with Time needed for Time needed to Radius used, r 10 Revolutio...

A: When body rotates in a circular motion a kind of force acts on it which  is called centripetal force...

Q: A linear mass density of a string is 1.9 × 10−4kg/m A transverse wave on a string is described by t...

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Q: In the figure here, a ball is thrown up onto a roof, landing 4.90 s later at height h = 23.0 m above...

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Q: A satellite of mass 1000 kg is supposed to orbit the earth at a height of 2000 km above the earth's ...

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Q: A 0.150-kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.8...

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Q: A block of iooo d of mas8 350g is moring at a speed ofs Fin d its kE in Joules. ms

A: Given data:  Mass (m) = 350 g = 0.350 kg Speed (v) = 5 m/s Required: Kinetic Energy (KE) 

Q: A population grows exponentially at about 2% per year. Assume that the population starts with 15 ind...

A: We know that you have given that A population grows exponentially at about 2% per year. and the popu...

Q: Simplify the following quantities using a unit with an appropriate prefix: a. 6.5x1010 s  b. 8.96x...

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Q: Block A supporting another block B is pulled along a rough horizontal plane by a horizontal force P....

A: Given data: Frictional coefficient between A and plane is uA=0.3 Frictional coefficient between A an...

Q: Based on the equation of the electric force F = qE. What is the relationship between: A. electric fo...

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Q: What is the value of the specific heat of a liquid in J/(kg•°C) if two kilograms absorb 83.6J when i...

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Q: Question 24 Find the acceleration due to gravity in a mine of depth 640 m if the value at the surfac...

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Q: a) CALCULATE the acceleration of the Falcon 9 Rocket if it takes 70 seconds from launch to reach sup...

A: As per guidelines only first 3 parts  solution are provided. Given  Supersonic speed,V = 343 m/s  Ti...

Q: Three forces act on a point. :3 N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is t...

A: F1 = 3 N , Φ1 = 0 o F2 = 4 N , Φ2 = 90o F3 = 5 N  , Φ3 = 217o  

Q: Three forces act on a point. : 3 N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is ...

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Q: To do this, answer each of the following with a brief explanation of the mathematics used to get the...

A: 1)Speed of light (v) = 3×108 ms 

Q: n iron block weighs 5 N and has a volume of 200 cm^3. What is most nearly the density of the block?

A: we know density of a material ρ = mass / volume  given weight of block =5 N therefore mass of block ...

Q: Two blocks on a frictionless horizontal surface are pulled to the right by a tension force of 50 N b...

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Q: 21.14 · A negative charge of -0.550 µC exerts an upward 0.200-N force on an unknown charge 0.300 m d...

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Q: odified True/False Indicate whether the statement is true or false. If false, change the identified ...

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Q: Two particles are fixed to an x axis: particle 1 of charge q1 = 3.09 x 10 C atx= 26.0 cm and particl...

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Q: SHOW COMPLETE SOLUTION 1. James throws a ball at an initial velocity of 8.4 m/s at an angle of 7.9 ...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

Q: Find the gradient of [F(x,y) = xy+2y] * O y i + (x+2) k O yj+ (x+2) k O yi+ (x+2) j

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Q: Suppose that a gas obeys at low pressures the equation PVm = RT + (A+ B/T2)P where A and B are co...

A: Given PVm = RT + (A+ B/T2)P  where A and B are constants independent of pressure We have to Derive t...

Q: What exactly is a solid state disc?

A: The solid state drive is much similar to a thumb drive technology. It is a storage device that store...

Q: Question 4 A block slides down an inclined surface of inclination 30° with the horizontal. Starting ...

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Q: What is the angular velocity of a point in a rotating CD that has a linear velocity of 2cm/s and a r...

A: If the angular velocity of a disc is w ,than linear velocity for a particle at radius r is given as ...

Q: A block of iooo d of mas8 350g is moring at a speed ofs m Fin d its kE in Joules.

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Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of ener...

A: Given value--- efficiency = 30 %. absorbed energy = 1000 J. temperature of hot reservoir = 250 degr...

Q: If object A is charged positively by losing electrons and placed near object B which is neutral or h...

A: Given Object A is positively charged and papced near to a neutral object B. We have to choose the co...

Q: A boat, 100m from the point where the projectile was shot, moves with a constant velocity of 6m/s. F...

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Q: Consider the following figure. 7.00 N 4.00 N 9.00 2 R a (a) Find the equivalent resistance between p...

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Q: Wave is given by: y= 9.0 sin (1.0x - 7.0t) cm he velocity of this wave in cm/s with two decimal plac...

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Q: A particle traveling at 3.75 x 10^8 m/s is subjected to the special theory of relativity. How fast i...

A: As we know the speed of light is, c = 3×108 ms

Q: You have a hand-crank generator with a 100-turn coil (each turn having an area of 0.0250 m2), which ...

A: Number of turns (N) = 100 Area (A) = 0.025 m2Magnetic field (B) = 0.04 T rotational speed of crank =...

Q: The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P...

A: Given data :- q = 5.04×10-6 Cd = 9.64×10-6 m = 0.000964×10-2 mr = 6.73 cm = 6.73×10-2 m

Q: A cart moving to the right passes point 1 at a speed of 35 m/s. Let g = 9.8 m/s2. What is the speed...

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Q: What do you mean by charging by rubbing/friction? Use a diagram to explain your answer.

A: Atoms are made of three particle electrons ,proton and neutrons. Neutrons are neutral charges so the...

Q: A cabinet of mass 3.7 kg is at rest on a ramp as shown. What is the magnitude of the friction force ...

A: Mass, m=3.7kg As the cabinet is in rest so static friction acts on the cabinet. Given the angle, the...

Q: Light with a wavelength of 2.50 x 10-7 m falls on the surface of a 1.00 kg piece of molybdenum in an...

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Q: A point charge of +0.80 μC is located at the origin, and a second point charge of −4 μC is at x = 40...

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Q: A rod 12.0 cm long is uniformly charged and has a total charge of -21.0 µC. Determine the magnitude ...

A: Given, length of the rod, L = 12.0 cm total charge, q = -21.0 μC point is at, r = 32.0cm from its ce...

Q: Atmospheric pressure on Earth at its surface is 101 KPa (101 kilopascals or 101,000 N/m2). Which of ...

A: Assume the atmospheric pressure at the surface of Earth as P=101 kPa≈1×105 Pa  

Q: A force vector points 55° above the positive x-axis. It has a y-component of 300 newtons. Find: a. t...

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Q: A 5.0 kg mass starts from rest at the top of an inclined plane 0.95 m long and slides down to the bo...

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Q: A spring 0.2 m long extends 0.001 m when a mass of 72 kg is hung from it.  How far will a similar sp...

A: GivenFor spring 1length of spring ,L1=0.2 mMass hung with spring ,m1=72 kgSpring extend to length ,x...

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?”