Stars will look red if they are redshifted.
Q: Describe how objects can become electrically charged Use Coulomb's law to compute the force between…
A: (i) How objects can become electrically charged. (ii) Force between two charges using Coulomb's law.
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Q: A drum rotates around its central axis at an angular velocity of 11.3 rad/s. If the drum then slows…
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Q: As shown in the figure, calculate the magnetic field that wil1 be formed at the point A of the…
A: Given:- Radius of the half circle = 5 cm = 0.05 m Current flowing through the circuit = 10 A
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A: let q1 = 2.8 x 10-6 Cq2 = 7 x 10-6 Cq3 = 4 x 10-6 C
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Q: The force acting on an object is given by F, = (7x - 12) N, where x is in meters. (a) Choose the…
A: Here force is given as F = 7x - 12 Here x is in meter and F is in Newton .
Q: 1. Can objects in a system have momentum while the momentum of the system is zero? Explain.
A: Given :- can objects in a system have momentum while the momentum of the system is zero .
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Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…
A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…
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Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…
A: calculate the net magnetic field at point and find direction as per shown.
Q: An LC circuit like the one in the figure below contains an 95.0 mH inductor and a 26.0 μF capacitor…
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Q: Consider the semiare of charge shown in the figure, that has an opening angle of 0o = 47° and a…
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Q: Q4 A rod of length 3m has a uniform positive charge per unit length A = 4 nC/m. determine the…
A: in this question we define electric field equation at different point .
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A: Given that-Potential difference, V= 71 VoltCross-sectional area= 3.56×10-6 m2Resistivity, ρ=…
Q: A horse pulls a cart with a force of 15 lb at an angle of 34° above the horizontal and moves along…
A: applied force (F) = 15 lb Angle (θ) = 34o above the horizontal Constant speed (v) = 6.7 mihr
Q: 4. One on end of a pipe with a diameter of 5.00 cm, the pressure is 100 kPa and the speed of the…
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Q: Q5 By performing nodal analysis to the circuit in the following Figure, calculate the voltage V1.…
A: in this question we use kirchoff's law at circuit.
Q: 5. A pendulum has a length of 0.65 m and a period of 4.1 s. The Pendulum is on an unknown planet.…
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Q: same magnitude F. If there is no friction between block b and the table, and there is enough…
A: E
Q: A conducting bar of length 0.25 m and mass of 0.34 kg is pulled to the right with a Force of 3.0 N.…
A: Write a given values of this question. L=0.25mm=0.34kgF=3.0NB=0.750TR=50Ω
Q: 11. A spaceship is traveling with a velocity of 0.8c relative to the Earth. What is the momentum of…
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Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…
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Q: What would be the uncertainty of VL if L= 1.07/ the uncertainty equals 0.05/ and VL= 1.0344?
A: Given L = 1.07 ∆L = 0.05 √L = √(1.07) = 1.0344
Q: A loop of wire with radius r-0.035m is placed in a region of uniform magnetic field with magnitude…
A: radius (r) = 0.035 m initial magnetic field = 0.65 T final magnetic field = 7.5 T time (t) = 9.5 s…
Q: thanks for the help
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Q: When the outdoor emergency warning siren at aileen's school was tested, the sound from the siren…
A: GivenTime taken by sound to reach house (t)=4 sDistance between siren and her house (d)= 2.75 km
Q: Q10: Assume the equation x = At³ + Bt describes the motion of a particular object, with x having the…
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Q: A metal bar 6.0 m long, clamped at its center and vibrating longitudinally in such a manner that it…
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Q: A hollow sphere is taken as bob of a simple pendulum. This hollow sphere is filled with fine sand.…
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Q: If f(x)= x² + 2, if x 0, find: 1. f(-4). f(3)_ 2.
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Q: Moving charge generates a magnetic field. A) True B) False
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Q: 2-78. Three forces act on the ring. If the resultant force FR has a magnitude and direction as…
A: GivenF1=80 NF2=110 NFR=120 N
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