Two resistors, 57 and 72 Omega, are connected in series across a 30-V battery What is the current in the circuit? What is the potential difference across the resister ? If you replace the 57-omega resistor with a 88-omega resistor, will the current increase decrease or stay the same ?

Q: Calculate the magnitude of the linear momen- tum for each of the following cases; A proton with mass...

A: Write the equation of linear momentum. p = mv p = (1.67 × 10-27 kg) x (4.79 x 106 m/s) p = 8 x 10-21...

Q: Which of the following is the rule that helps us solve for collision type problems Group of answer ...

A: When net force is equal to zero its linear momentum will be conserved.

Q: R = 8.50 Ω, ℓ = 1.40 m, and B = 2.75 T. At what constant speed (in m/s) should the bar be moved to ...

A: Given, Resistance, R = 8.50 Ω Length, l = 1.40 m Magnetic field, B = 2.75 T Current, i = 1.60 A i) C...

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Q: A 210-kg load is hung on a wire of length of 3.30 m, cross-sectional area 2.00 x 10-5 m2, and Young'...

A: mass of load (m) =210 kg initial length of Wire (L0) = 3.3 m Cross sectional area of Wire (A) = 2.0 ...

Q: A 275 kg mule pushes backward with its feet 1.50 kN, 180.0° on the ground as it pulls a cart forward...

A: Given: mass of mule m1 = 275 kg backward force of mule fb = 1.50 kN = 1500 N (backwards) motion of c...

Q: The molar heat capacity of an ideal gas at constant pressure is equal to its molar heat capacity at ...

A: Ideal Gas constant.  

Q: A long, straight wire perpendicular to this page carries a current of 5.26 A directed into the page....

A: Given value--- Current = 5.26 Amp. distance = 10.2 cm. We have to find--- magnitude and direction...

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Q: Metals are bonded by metallic bond, that is protons in a sea of electrons which give them their char...

A: given data :

Q: You have a cube with a 6µC charge in the center. Each of the cube's sides is 12cm long. What is the ...

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Q: Electric field lines ______. Select one: a.  never intersect b. approaches zero c.  have differen...

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Q: Question 2 50 pts X1 X2 A set of parallel wires are separated by a distance (d) of 0.12 meters. The ...

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Q: What is the equivalent resistance between points a and b? What voltage would a power source need to ...

A: Equivalent resistance in series R = R1 + R2  Equivalent resistance in parallel 1/R = 1/R1 + 1/R2 

Q: A length of metal wire has a radius of 0.004 m and a resistance of 0.11 2. When the potential differ...

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Q: Two parellel plates are charged. The separation between the plates is 2 cm and the magnitude of the ...

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Q: 9 The amount of work done against friction to slide a box in a straight line across a uniform, horiz...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: What is the charge magnitude, Q if it lacks 5 electrons? А. 5.0 х10-19 с В. 6.0 х10-19 с С. 10.0 х10...

A: Given Numbers of electrons lacking= 5

Q: A hockey puck moving at 0.460 m/s collides with another puck that was at rest. The pucks have equal ...

A:

Q: A 12.0 µC charge is placed at the origin while another charge, -8.0 µC is placed 1.0m to the right o...

A: electric field due to charge q at a distance x from the charge is given by  E = kq/x2  where k is co...

Q: The switch S in the circuit shown below has been open for a long time when, at time t = 0, it is clo...

A: V= 12\/ R1 = 110 Ω R2=220 Ω R3 =330 Ω C1=40 uF C2=80 uF  

Q: Name 5 modern physics invention. Kindly include the inventors and what year were they invented.

A:

Q: A golf ball with a mass of 0.046 kg is accelerated from rest to 67 m/s in 0.0066 seconds. What force...

A: Given value--- mass = 0.046 Kg. initial speed = 0 m/s. final speed = 67 m/s. time period = 0.0066 s...

Q: Two particles are both negatively charged. They repel each other with a force of 1.5 x10-*N when the...

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Q: A blood vessel starts with a diameter of 1.6 mm and splits into 2 smaller vessels that have a diamet...

A: Radius of the larger vessel is  R = (1.6×10-3) /2  m = 8×10-4 m   Radius of  smaller vessel is r = (...

Q: A frozen turkey that weighs 10N is dropped from an aircraft. It reaches a terminal velocity of 120 k...

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Q: A track is built so that going around a curve (R = 65.0 m), the banking of the track will allow the ...

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Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the squa...

A: Given each side of the square a=24cm Charge 1 q1 =4nC Charge 2 q2 = - 6.5nC Charge 3 q3= - 3.5nC We ...

Q: The magnitude of the electric force between two protons is 2.3 x 10-26 N. How far apart are the prot...

A: Given data:  Two protons Electric Force (F) = 2.3×10-26 N Required: Distance between protons

Q: Calculate the electric field 20 cm on a charge Q = 2.0 x10-7 C. А. 4.5 х104 В. 3.6 х104 N С. 43000 N...

A:

Q: If no net external force acts on an object which of the following is true Group of answer choices pi...

A: According to first law of newton, An object remains at rest or in motion with constant velocity, unl...

Q: A person weighs 687.88 newtons when she is on earth but only weigh 249.42 newtons when she is at the...

A: Answer:-  Given  Weighs of a person on the Surface of the earth(W) = 687.88 N   Weighs of a person o...

Q: (a) What is the magnitude of (b) What is Its direction? ° counterclockwise from the +x-axis

A: A constant horizontal force F→a is applied pushes the package of mass m=1.50 kg across a frictionles...

Q: 1. One morning, Connie walks from her house to go to a store that is 500 ft, S 40° W from her house....

A: Step 1: Note Question (1) is Solved here. For Question (2) , Please Post this question again.

Q: You have a cube with a 6µC charge in the center. Each of the cube's sides is 12cm long. What is the ...

A: Given data:  A cube have change at center  Charge (q) = 6 μC = 6×10-6 C Required:  The flux through ...

Q: You are on the moon and drop a 10 kg ball. If you are standing on a cliff that is 49 meters tall, ho...

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 49 m Gravity on the Moon (g) = 1.63 m/s2 Req...

Q: Nearly all planets that astronomers have found orbiting other stars have been giant planets with mas...

A: Yes it is proves that our solar system is unique. The number of planets we have and their distance t...

Q: olf the electric field between your finger and some other objects exceeds 3.0 x 196 V/m, a spark wil...

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Q: Three spheres are cut from a certain uniform rock. The two spheres have a radius 4.50 cm. The mass o...

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Q: Which of the choices represents the formula/equation for Gauss' law for electrostatics? 오 A. PE В. Ф...

A: Given: expression for gauss law in electrostatics

Q: You drop a ball from rest, at 15.4 seconds how fast is it traveling in m/s? (round your answer to th...

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Q: Potential difference across the terminals of the right battery? Voltage contribution due to the inte...

A: Let the potential difference be E1 and E2. Potential difference across terminal of right battery is ...

Q: 1.) A crate with mass 2 kg initially at rest on a warehouse floor is acted on by a net horizontal fo...

A: Given data:  Mass (m) = 2 kg Initial velocity (Vi) = 0 m/s Force (F) = 3.8 N Time (t) = 6.6 s Requir...

Q: It takes 8.0 x10-8 Joules of work to move a positive charge of 2.0 x10-* C from poin B to point A in...

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Q: (ft) Given the s-t graph beside, compute for the instantaneous acceleration att = 1s and t = 2 s. s ...

A: Velocity is displacement per unit time.  V = ds/dt  Acceleration is rate of change of velocity  a= d...

Q: A 12.0 µC charge is placed at the origin while another charge, -8.0 µC is placed 1.0m to the right o...

A: The charge placed at the origin is q1=12μC=12×10-6 C. The charge placed at a distance r=1.0 m at rig...

Q: Arman wanted to establish a coordinate system where the direction of the rock’s motion is positive. ...

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Q: One electron has a charge of 1.60 x 10^-19 C. A current of 2.47 A flows in an electric circuit. How ...

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Q: Consider two long wires with currents I1 = 7.8 A and I2 = 2.2 A, as shown in the figure. Let d = 0.0...

A: