Q4: Calculate the magnitudes of unknown forces for particle equilibrium. F2 4 kN 10 kN 25 24 30° 30° F1 F3

Q: Medical testing has established that the maximum acceleration a pilot can be subjected to without lo...

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Q: Discuss how surfactants remove dirt, oil, or stain.

A: The answer is below

Q: He:Ne laser operated in threshold condition. Reflection coefficients of the mirrors are: 0.999 and 0...

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Q: An air-filled parallel-plate capacitor has plates measuring 10.0 cm x 10.0 cm and a plate separation...

A: Given data:  Area of first parallel-plate capacitor (A1) = 10.0cm×10.0cm Plate separation for first ...

Q: A resistor has a resistance of 20 ohms at 30 degrees Celsius and 32 ohms at 90 degrees Celsius. Find...

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Q: A heat engine with an efficiency of 0.45 absorbs 540 J of heat per cycle. a. How much work does it p...

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Q: A ball is thrown straight upward and rises to a maximum height of 20m above its launch point. At wha...

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Q: In the figure, the total resistance is 10kΩ, and the battery's emf is 20.0 V.If the time constant is...

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Q: Find density Mars = 30% volume -7cm3

A: Given data : Mass=m Volume=V   Required : Density

Q: Three-point charges are in an x-y plane. Charge 1 has a charge of 11.2 mC, charge 2 has a charge of ...

A: In this question we have to find the forces acting on the individual charges. Please give positive f...

Q: Two vectors are given by d = (5.0 m)i - (6.0 m)ĵ + (1.0 m)k %3D and b = (-1.0 m)î + (1.0 m) ĵ + (2.5...

A: Given,a→ = 5.0 m i^ - 6.0 m j^ + 1.0 m k^b→ = -1.0 m i^ + 1.0 m j^ + 2.5 m k^

Q: Two small charged spheres are placed in vacuum on the x-axis q1 = +50 µC at x = 0 and q2 = -8.0pC at...

A: Let q be the charge placed at x=a. Let the charge q be placed at a distance of r to the left of char...

Q: What is the dipole moment of an electron and proton that are being separated by a distance of 5.3 na...

A: Given value--- Charge = 1.6 × 10-19 C. distance = 5.3 nm. We have to find --- dipole moment?

Q: Dimensional Analysis and Unit Conversion According to the label on a bottle of salad dressing, the v...

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Q: Determine the resultant of the following: 8.0N at 40°, 9.0N at 120°, and 12.0N at 200°, all angles b...

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Q: You throw an 18.0 N rock into the air from ground level and observe that, when it is 10.0 m high, it...

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Q: Three masses m, = 10.0 kg, m2 = 20.0 kg, and m3 = 30.0 kg, are stacked together on a frictionless pl...

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Q: 4.B. If the incident ray makes an angle of 25° with the surface of Mirror 1 as shown, find the refle...

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Q: 3-15. Twenty lb of air in a piston-cylinder assembly undergoes a process at a constant pressure of 2...

A: Given : Pressure = 20 lbf/in², temp. = 180°F and volume = 170 ft³ To calculate the amount of energy ...

Q: What is the electric potential V due to a point charge of 3.00 µC at a distance of r = 0.500 cm, ass...

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Q: Givon data Voltage=7 Voet R. 3ohm Find current.

A: Given data : Voltage=V Resistance=R   To find : Current

Q: Two sailors are at the tops of their ships' masts in the open ocean.The mast of ship A is twice as h...

A: The visibility distance of ship B is D2=3.85h½ The visibility distance of ship A is D1=3.85×(2h)½=1....

Q: What voltage was applied if 535 J of energy was dissipated by the current in the patient's body? vol...

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Q: As shown in Figure 1, a force of 300N pushes on a 35 kg box. Starting from rest, the box achieves a ...

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Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron st...

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Q: 3. A mass m is pulled on a frictionless surface by a force Fpull that makes an angle 0 with the hori...

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Q: What is the approximate magnitude of the electric field EA at point A? V/m What is the approximate m...

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Q: May two conductors each of the same material and equal volume have different resistances? Explain an...

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Q: Please find the resultant of the following forces; 300 N at exactly 0°; 400 N, 30° N of E. Use any m...

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Q: 1- A 2 kg block on a spring undergoes simple harmonic motion. Its position can be represented by x =...

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Q: Consider the sealed containers (same fluid and on the same ground level) below with heights given in...

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Q: For adiabatic ideal gas near room temperature, what fraction of heat supplied is available for exter...

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Q: 1. How do you describe an atom in terms of composition?

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Q: You are working at a factory. You put a carton (box) with a mass of 2.5 kg on a 1.5-m frictionless r...

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Q: Part A The electric potential in a region of uniform electric field is -1900 V at x = -1.00 m and +1...

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Q: "hat is the rms speed of a molecule with an atomic mass of 26 if the tenperature is 63.9 degrees Cel...

A: Given Molar mass M = 26 g/mol =26 × 10-3 kg Temperature T = 63.9 oC = 273 + 63.9 =336.9 K 

Q: The torque exerted by an electric field on a dipole is: not related to the directions of the field a...

A: Correct answer is option (C).

Q: Brownian movement

A: The irregular/random motion of microscopic particles suspended in a liquid or gas is called Brownian...

Q: Four 3 pC charges are at the corners of a 1-m square. Two charges on the left are positive and the o...

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Q: n situation (2), give the direction of a by naming either a quadrant or a direction along an axis. (...

A: IN situation (2) which is shown in the figure below  This gives the vectora→, either quadrant or a ...

Q: You saw a posted speed limit at an intersection that is 55 miles per hour (or mph), what is this spe...

A: Given that :- V=55 mph Hence, following conversion units will be used to convert the given speed to ...

Q: Two sailors are at the tops of their ships' masts in the open ocean.The mast of ship A is twice as h...

A: Since, d=3.855h where, d=distance in kilometres(km). h=height of mast in metres(m).   Hence, d=kh   ...

Q: ERSIONS: . a) Convert 600 kg/m3 to g/cm3 b) Convert an area of 30 mm x 4 cm to m2 c) Convert 50 ml t...

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Q: A 9.5 x 10-3 uF capacitor is needed. What must be the area needed if the plates are to be separated ...

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Q: A parallel plate capacitor has fixed charge. By what factor does the energy stored in the E change i...

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Q: A hot-air balloon is rising upward with a constant speed of 3.500m/s. When the balloon is 14m above ...

A: The constant speed of hot air balloon which is rising up V=3.5 m/s, height from which object is drop...

Q: You are on the roof of a Physics Building, 31 m above the ground. Your physics professor, who is 1.8...

A: Time taken for the egg to hit the professor is given by:- h=gt2231-1.86=9.8×t22 hence, solving for '...

Q: · Two point charges, each having +2.5 nC and a mass of 5.0 mg, are separated by a distance of 3.0 cm...

A:  Given two point charges, each having +2.5nC  Mass =5mg  Distance R1= 3cm, R2 =12cm What is speed of...

Q: A stone accidentally falls from rest from the edge of a 35-m-high building. When the stone is 14m ab...

A: Time taken by the stone to reach a height of 14m above the ground is given by:- h=gt22(35-14)=9.8×t2...

Q: Two blocks are attached to one another by a rope that passes over a frictionless pulley as shown in ...

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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?”