Joe suspends a sign with mass m between two cables. Cable A is directed at angle θ above horizontal and cable B is horizontal. Nothing but these two cables supports the sign. Derive expressions for the tension in each cable in terms of m, θ, and appropriate physical constants.

Q: At Niagara Falls, if 505 kg of water falls a distance of 50.0 m, what is the increase in internal en...

A: Given Information:- Mass of the water m=505 kg Height of the water falls is h=50.0 m   Required:- Ch...

Q: A person pushes horizontally with a force of 170. N on a 52.0 kg crate to move it across a level flo...

A: Given data: The horizontal force is F=170 N. The mass of crate is m=52.0 kg. The coefficient of fric...

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Q: C = 1.50µF C2 = 2.65µF HE C3 = 3.00LF C= 4.50µF E 14.00 Electrical Quantities Total 21. Сарacitance ...

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Q: Part A Two long, parallel wires are separated by 2.0 m. Each wire has a 30-A current, but the curren...

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Q: 2- What is the refractive index of sodium chloride if light penetrates it at a speed of 108m/sx1.99?

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Q: 2. Caleulate the repulsive force between a -1.15 x 10-9 C and a -1.49x10-C charge if a.distace.of. 2...

A: Given in question -  Q1 = 1.15×10-9 C                                   Q2  = 1.49×10-8C            ...

Q: V=IR Directions: Place the correct answer with units in the space provided. 2 points for each questi...

A: We know that formula of voltage V  =IxR volt   I  =  V/R amp. R  = V/I ohm

Q: FIND THE ELECTRIC POTENTIAL, V, DUE TO A UNIFORMLY DISTRIBUTED CHARGE, ON A RING OF RADIUS, R, AT AN...

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Q: A drinking fountain projects water at an initial angle of 50° above the horizontal, and the water re...

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Q: Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A1 = 4950 mm² and an...

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Q: 1.10 The pressure rise Ap associated with wind hitting a win- dow of a building can be estimated usi...

A: In this question we have to calculate the pressure rise. Please give positive feedback if the answer...

Q: A flute (open at both ends) plays a fundamental frequency of 196 Hz. The length of the air column is...

A: the fudamental frequency of organ pipe open at both the ends is  given by  f = v/2l where  f = funda...

Q: ctor B in the xy plane has a magnitude of 25.  If it has an x component of 12, what angle does it ma...

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Q: 4. A racing car has a uniform acceleration of 4 m/s2. What distance will it cover in 10 seconds afte...

A: Given data :              Acceleration  =  a                Time   =  t              Initial velocit...

Q: What is the acceleration of a projectile While the projectile is moving down? explain

A: To discuss the acceleration of a projectile While the projectile is moving down.

Q: ballet dancer does a pirouette on the tip of his toe. If the dancer has a weight of 580 N and the ti...

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Q: -2.50х 106С +3.50 х 106С 2.00 cm -9 B 2.00 сm E +q b+ b- +4.50 х 10-6С +1.80 х 106 С -3.70 х 106 С

A: D) Resultant electric force on point D is,  F = (k*q2 /2a2 )    = (8.99 * 109 )* (-3.7 * 10-6 )2 / (...

Q: Consider RIC- cireuit a ECt)= F. sin Cwt) R- Revistanie (ehm, S2): voltage drop = RI L- Inductunce (...

A: The voltage equation is E0sinωt=IR+LdIdt+QC Differentiating once we get E0ωcosωt=RdIdt+Ld2Idt2+1CdQd...

Q: Get the phase difference of the two signals. Only the absolute value of the angle is needed. a(t) = ...

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Q: Why is moderators, enrichment, and critical mass important for a fission chain reaction?

A: Fission chain reaction : Fission chain reaction in which nuclear fission happens multiple time over ...

Q: The x and y components of a displacement vector are –3.00 m and +4.00 m, respectively.  What angle d...

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Q: A.) A parallel-plate capacitor has a plate area of 0.2 m^2 and a plate separation of 0.1 mm. What is...

A: Part (A): Given: The area of the plates is 0.2 m2. The separation between plates is 0.1 mm. The stre...

Q: A photon and a particle have the same wavelength. a) How do their linear momenta compare? b) How doe...

A: Given : A photon have wavelength Particle wave length 

Q: A thin rectangular plate is uniformly deformed, as shown. Determine the shear strain yy at P. Assume...

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Q: Given these vectors: A = (-4.8)î + (-2.7)ĵ + (6.4)k B = (-5.6)î + (-7.7)ĵ+ (9)k Find the value of th...

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Q: 250 N 400 N 30 300 N

A: Given:

Q: -) Now the two capacitors, C = 5.00 µF and C2 = 12.0 µF, are connected in series to a 9.00V battery....

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Q: A suitcase with mass 18 kg is pulled at a constant speed by a handle that makes an angle θ with the ...

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Q: A small metal bar, whose initial temperature was 20° C, is dropped into a large container of bowling...

A: In this question we have to find the time taken to reach 90o C. Please give positive feedback if the...

Q: The ball has a mass of 1 kg and is confined to move along the smooth vertical slot due to the rotati...

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Q: Why is it that we model the parallel plate capacitor using the electric field of of an infinite shee...

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Q: -21 metric platinum bars in the center of the scales, precisely calibrated at 270°C. Find the distan...

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Q: 1200eal) - The thermos jug contains 300 grams of coffee (mainly water) at 2% 90 degrees, in this jug...

A: if the specific heat of material is c mass is m and if the temperature of material is changed by T t...

Q: A parallel plate capacitor has circular plates 0.100 m in diameter and separated by a piece of mica ...

A: Diameter of circular plate, d = 0.100 m thickness of mica plate, the plates are separated by, x = 0....

Q: A small piston of a hydraulic lift has an area of 0.02m2. A car weighing 12,000 N sits on the rack m...

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Q: Coulombs’s law and Newton’s law of gravitation are similar in structure. Can Gauss’s law be applied ...

A: Yes, GAUSS'S LAW is applied to the gravitational fields also. gauss's law is defined as the amount o...

Q: Suppose astronomers built a 90-meter telescope. How much greater would it's light collecting area be...

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Q: Why do you think if there was drag force (air resistance), the total time would change; what does dr...

A:  Drag force:- In fluid dynamics, drag sometimes called resistance is a force which tends to slow the...

Q: A fountain has a pump that shoots a column of water straight up. Figure that there is a large pool o...

A: Given data: The height of column is y2=4 m. The cross-sectional area is A=200 cm2.

Q: The terminal velocity of a baseball falling through air is 43 m/s. However a baseball batted through...

A: Terminal velocity is defined as the constant velocity reached by an object falling in some fluid, su...

Q: A flash unit for a camera has a capacitance of 1300 µF. What resistance is needed in this RC circuit...

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Q: Q3-A 0b,at moue in velaety (2om/s) and Chaege to Som) throggh the time in ter al (s), and theolitanc...

A: Answer:-  Given  Initial Velocity (u) = 20 m/s  Final Velocity (V) = 50 m/s  Distance (S) = 140 m  T...

Q: A bedroom bureau with a mass of 42 kg, including drawers and clothing, rests on the floor. (a) If th...

A: Solution :-  

Q: 2. Two objects attract each other gravitationally with a force of 2.5 x 10-10N when they are 0.25 m ...

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Q: Determine the tension developed in each wire used to support the 50kg chandelier. 30 45 30

A: For equilibrium net force acting on the system must be zero and horizontal as well as vertical force...

Q: A particle moves with SHM between two points which are 9.3 cm apart. At the instant when the particl...

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Q: An organ pipe (closed at one end) produces a mixture of 1100 Hz and 1833 Hz. These frequencies corre...

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Q: •4 A slide-loving pig slides down a certain 35° slide in twice the time it would take to slide down ...

A: The free-body diagram of the pig moving on a frictionless slide is given below.  

Q: Is the sonic velocity in a specified medium a fixed quantity, or does it change as the properties of...

A: In this question we have to explain whether the sonic velocity changes as the properties of the medi...