Calculate the potential energy, kinetic energy, mechanical energy, velocity, and height of the skater at the various lo a ocations.

Q: current is increased to 3.0 A? 2. A device is connected to a 210 V source. How much current is…

A: Q2. Given that  Potential difference across the device V = 210 Volt Let the current through the…

Q: What resonant frequency would you expect from blowing across the top of a soda bottle that is 20 cm…

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Q: A small sphere of charge q = +66 μC and mass m = 5.4 g is attached to a light string and placed in a…

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Q: Two straight long wires carry currents I and 31 in the same direction. Where is the position where…

A: Magnetic field is a vector quantity.if two equal and opposite magnetic field act at a point net…

Q: Two objects having different masses are subjected to Identical forces act for the same length of…

A: It is given that two objects having same masses are subjected to identical forces for same length of…

Q: 16. How many electrons will flow through an appliance for each second if the current through the…

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Q: The unit cell is the smallest cell that if repeated will form the lattice. Select one: O True O…

A: Unit is the smallest unit which repeats again and again in 3 dimensions to give the entire crystal…

Q: The dimension of acceleration is L/T^2

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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…

A: The equations that relate the components of angular motion are ωf = ωi+αt ωf2-ωi2 = 2αθ, where ωf…

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

Q: Four equal +2.00-µC point charges are placed at the corners of a square 4.00 m on each side. (k =…

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Q: If each wire in #4 is connected to an identical battery, what is the relationship of the electric…

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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: 17 a-true b-false

A: Dark fringes occurs when the maxima of two waves are 180 out of phase. Dark fringes and Destructive…

Q: nd

A: Given: Length of copper rod is 0.53 m Mass of copper rod is 5×10-2kg Current is 13 A

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,…

Q: The resistance of the metal bar with a weight of 3 N and a length of 1.5 m is 10 2. The metal rod…

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Q: D.) PA. E.) PA V

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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…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 144…

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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 .

Q: In Oersted's experiment, suppose that the compass was 0.24m from the current-carrying wire. If a…

A: Given: in this question, the given details are, In the Oersted's experiment, the compass was 0.24 m…

Q: A metal sphere of radius 30 cm has a net charge of 30.0 nC. What is the magnitude of the electric…

A: Given: In this question, the given details are, A metal sphere of radius 30 cm has a net charge of…

Q: 3. If V = 12 V in the circuit below R = 100 N R2= 200 N %3| R3 = 100 N R5= 300 N R4 = 150 N R, = 100…

A: Solution: Given that V = 12 V and the values of other resistors

Q: The moment of inertia of a solid cylinder of radius R, mass M and length L, perpendicular to its…

A: Write the expression for the moment of inertia of the cylinder as given above. Here M signifies…

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: = 201². The fan blade in a jet engine rotates from rest with the angular acceleration a = 1 9. find…

A: GIVEN         Angular acceleration = α = 20t2

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: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: When two parallel plates connected to a 40-V battery, the electric field between the plates is 2200…

A: Given: In this question, the given values are, Voltage is, V=40Volt, And the electric field is,…

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: According to Dynamical Systems Theory, the preferred, comfortable behavioral state of movement is…

A: This theory is applicable to the study of human movements. The strength of the theory is in the…

Q: Gram is the fundamental unit of mass in SI system

A: SI base unit of mass is kilogram.It is represented by letter Kg.

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: Consider the 68.0 kg mountain climber in the figure. 31 Fup 15 (a) Find the tension in the rope (in…

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Q: When you shine a waterproof light from underwatertoward the surface of the water, there is a…

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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: 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: 1- Write down a relation to find the magnetic force acting on a current carrying conductor and draw…

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Q: Every action has an equal and opposite reaction" is newton's second law

A: " Every action has an equal and opposite reaction " is a Newton's third law . Hence given statement…

Q: If f(x)= x² + 2, if x 0, find: 1. f(-4). f(3)_ 2.

A: Given function :- f(x) = x2 + 2 , if x<0    and            5x + 2  , if x =>0     (1) f(-4) =…