Determine the repelling force between Q1 and Q2 Q1= 10 C Q3 = -25C 20° 45° 15 m Q2 = 15 C

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Q: În the circuit shown, R¡ =6,00 N, R2=4,00 2, R3=4,00 Q, and R4= 5.00 Ω. RI ww 24.0 V ww 12.0 V QUEST...

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Q: An object emits 30 Watts of power. If it were a perfect black body, other things are being equal, it...

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Q: What is the power dissipated by the circuit? Round off to three decimal places. R, = 50 R, = 70 R, =...

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Q: A glider strikes a 0.075-kg block so that its velocity changes by +35 m/s in 0.070 s. With what aver...

A: Given data:  Mass (m) = 0.075 kg Change in velocity (Δv) = +35 m/s Time (t) = 0.070 s Required: The ...

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Q: Review Which laser has its first maximum closer to the central maximum? • View Available Hint(s) Two...

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A: Conservation of linear momentum  Final momentum = initial momentum Also,  e= coefficient of restitut...

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Q: Part A A small block with mass 0.0300 kg slides in a vertical circle of radius 0.525 m on the inside...

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Q: *12-24. The acceleration of a particle traveling along a straight line is. a= s/2 m/s, where s is in...

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Q: 1A photon carries 2.56 eV of energy. What is the photon’s frequency? (h = 6.626 x 10-34 J·s; 1 eV = ...

A: 1) A photon carries 2.56 eV of energy 2) The frequency of violet light is 7.5 x 1014 Hz 3) During a ...

Q: A person whose mass is 70kg, represented by M, holds the 25kg mass as shown in the figure. The pulle...

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Q: Part A Consider a typical convex passenger-side mirror with a focal length of -80 cm. A 1.7-m-tall c...

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Q: A battery having an emf (ɛ) of 12V provides a current of 85mA when connected to a load of 1252. i) C...

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Q: A block of mass m = 4,70 kg is released from rest from point and slides on the frictionless track sh...

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Q: A musical instrument that has a tube closed at one end has a length of 27.3 cm long. On a particular...

A: Frequency for  one end closed tube  Frequency = speed of sound in air ×(2n-1) /4L Where n= 1,2,3.......

Q: Draw the phasor for the emf E (170 V) cos ((2T × 60 Hz)t) at t = 60 ms.

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Q: 6. A 1.5 m long board with a mass of 4.2 kg sits on top of a 3.0 m long board with mass of 1.5 kg th...

A: mass of board kept on top (m)= 4.2 kg length of board kept on top (l) = 1.5 mmass of board kept at b...

Q: Te shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly ela...

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Q: Protons with a momentum of 4.5×10−21 kg⋅m/s are magnetically steered in a horizontal circular path 2...

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Q: Coherent red light (wavelength 650 nm) is shined on a Young's double slit apparatus. What slit size ...

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Q: A copper wire is having a length of 8m and a radius of 32mm. The resistivity (p) of copper is 1.72x1...

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Q: Calixta whose mass is 60 kg stands 1.5 m away from one end of a uniform 6.0-m-long plank of mass 80....

A: mass of  calixta = m =60 kg mass of plank = M = 80 kg  

Q: The emf phasor in (Figure 1) is shown at t = 12 ms. Assume E, = 12 V. Part B Figure < 1 of 1 What is...

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Q: How many lines per centimeter should a grating have to cause a 40 ° deflection of the 2nd order brig...

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Q: 314.0 kg copper bar is put into a smelter for melting. The initial temperature of the copper is 299....

A: Given: The mass of the copper bar: m = 314.0 kg; The initial temperature: Ti = 299.0 K; The specifi...

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Q: As shown in the diagram below a block is attached to a spring and a cable. The block is at rest & is...

A: The force applied on a spring is given by F = kx, where k = spring constant or force constant x = co...

Q: A highly-calibrated pendulum is designed to measure the acceleration due to gravity on another plane...

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Q: 1. In the Bohr model of the hydrogen (H) atom, the electron moves on a circular path (orbit) around ...

A: Given that : Radius of electron = 0.529 angstrom or 5.29 x 10-11 m Linear Speed = 2.19 x 106 m/s

Q: If an object with a mass of 1.7 kg changes it speed from 4.54 m/s to 7.82 m/s, what is its change in...

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Q: Determine the frequency of the light. Express your answer with the appropriate units. Green light of...

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Q: A proton (nucleus of the hydrogen atom) is being accelerated in a linear accelerator. In each stage ...

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Q: solenoid of length 2.00 cm and radius 0.750 cm has 49 turns. If the wire of the solenoid has 1.95 am...

A: Given value--- length = 2 cm. radius = 0.75 cm. No. of turns = 49 . current = 1.95 Amp. We have to...

Q: When s tant star is focused by the lens onto the retina (Eigure 1). With r of 3.0 mm, the intensity ...

A: Light from a distant star is focused by the lens onto the retina  With a pupil diameter of 3.0 mm th...

Q: A 120 2 B 2610 K C 4600 2 D 300 000 Se

A: According to question we need to find value of resistance. 

Q: A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the direct...

A: Given value--- charge = -8 micro C.  distance = 80 cm. angle = 90 degree.  electric field = 500 N/m...

Q: A convex mirror has a focal length of -24 cm. Find the magnification produced by the mirror when the...

A: We know if m is the magnification and u is the object distance and v is the image distance then 1v+1...

Q: 3. A mass is suspended by a spring such that it hangs at rest 0.5 m above the ground. The mass is ra...

A: Given: yo =0.5 mat t=0 , A=40 cm =0.4 mT =1.2 s we have to find y at t=0.7 s

Q: When you rub a fur cloth with a plastic rod, the rod becomes negatively charged. Why is this so? a....

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Q: Determine the current through each resistor. 12 V 10 N 9 V 12 V 10 N 5 V 9 V 10 2

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Q: Which of the following statement is not true? A The effect of force applied perpendicularly to the d...

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Q: Tia needs to produce a solenoid that has an inductance of 3.33 ?H She constructs the solenoid by uni...

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Q: Which of the following statement is false? i. In an elastic collision, KE is conserved. ii. Momentum...

A: There are two types of collisions. Elastic collision Inelastic collision  

Q: A. For a diverging lens (f = -18.0 cm), find the image distance for an object that is 18.0 cm from t...

A: A) focal length (f) = -18 cm object distance (d) = 18 cm   

Q: A cheering squad is made up of four members: Ping of 75kg moving 3.0 m/s, North; Manny of mass 70kg ...

A: Given : Mass of Ping = 75 kg Velocity of Ping = 3 m/s North Mass of Manny = 70 kg Velocity of Manny ...