A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a vacuum chamber. When each has fallen 1 m, they both have the same: A. inertia B. speed C. momentum D. change in potential energy

Q: Determine the electric current passing through each resistor in the following circuits. ww ++ R1 80…

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Q: 520 m long (measured when the spaceship is stationary) spaceship passes by the Earth. What length…

A: Given: The actual length of the rod is 520 m. The speed of the spaceship is 0.87c.

Q: ow much heat is produced in 5 min by an electric iron which draws 5 A fr

A: Given:-  The voltage V = 120 V  The current i = 5 A  The time  t = 5 min = 300 sec  Find:-…

Q: A capacitor consists of two parallel plates, but one of them can move relative to the other as shown…

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Q: 3. How would acceleration of weights change if friction in pulley was increased? 4. Will use of more…

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Q: The student has a far point of 50 cm. If she is wearing glasses 2 cm from her eyes, determine what…

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Q: Find the value of current Voltage=10 Volt Resistance-2 Ohm

A: Given data :- voltage V = 10 voltsresistance R = 2 ohm

Q: A light, with wavelength of λ = 550 nm, passes through a slit and shines on a screen that is at a…

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Q: If the potential across a circuit is 40V and the current is 5,000 mA, what is the equivalent…

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Q: dancing policeman performs a stunt by tossing his cap vertically upward with an initial speed of 10…

A: Given  Vi = 10 m/s  Acceleration due to gravity  a = g = 9.80 m/s2 in downward direction .   At…

Q: U1 25V R1 50 R6 39 www 250 R2 www 375 www R5 R3 150 U2 2.5 ww R4 27.5 www

A: Determine the net resistance in series. Determine the net voltage.

Q: Question 2 We are now going to look at a configuration of charges. We are given the following…

A: 2.)

Q: Two cars started at the same point but at different times (of the same day) and at different speeds.…

A: Given data: Starting time of Car A tA = 9:00 am Speed of car A vA = 30 kph west Starting time of Car…

Q: Given data: Distance to covered by car-20 m Time to cover the distance=2s Find speed

A: Speed = distance/time

Q: Why does touching the metal sphere with the electrophorus' metal plate change it's charge?

A: When we talk about the metal sphere that is basically a conductor having huge number of free…

Q: A horizontal platform with a diameter of 6 m revolves about its center of 20 rpm. Find the…

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Q: A loaded elevator has a total mass of 29 kg and is lifted to a height of 200 m in a time of 45s.…

A: Given: The mass of the object is 29 kg. The height of the object is 200 m. The time interval is 45…

Q: A 0.844 kg spring with force constant equal to 75 N/m oscillates with simple harmonic motion along…

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Q: Problem Solving: Given two dice (each with six numbers from 1 to 6): (a) what is the entropy of the…

A: (a)  Successful events = (5,6),(6,5),(6,6) = 3 Total events = 36 Probability of success = P(s) =…

Q: (13.43) (a) What is the average translational kinetic energy of a nitrogen molecule at STP? (b) What…

A: Given Data: a) T  = 273 K   b) Number of moles = n = 1 Temperature = T = 25 degree  celcius = 298 K…

Q: A spaceship is travelling at 0.94c. It has been gone from the Earth a total of 10 years as…

A: Write the expression for the time dilation. Here, t is the travel time, to is the total time in the…

Q: Find work done Force=2 N Displacement=1.1 m

A: Given data : Force=F Displacement=d   Required : Work done

Q: Properties of Light   1. Light withafrequency of             5.8 x 10^14 Hz   travels in a…

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Q: Three charged particles of the same magnitudes (9.7 μC) are placed at the corner of an equilateral…

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Q: A prototype laser weapon tested in 2010 used a laser with an infrared wavelength of 1.06 µm, because…

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Q: when a student steps on a bathroom scale inside an elevator that is ar rest, the cale reads 490N.…

A: Force brings about motion and changes in it. Free body diagram gives whole idea of the forces…

Q: Given data: Distance to covered by car-22 m Time to cover the distance=2 s Find speed

A: Write the given values with the suitable variables. d=22 mt=2 s Here, d is the distance and t is the…

Q: Four charged particles are arranged in the manner as shown below. The four have the same magnitude…

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Q: The magnetic force acting on a current carrying wire is 7.0 N. What must the length of wire be if…

A: Given value--- magnetic force = 7 N. current = 3 Amp . magnetic field = 2.1 T . We have to find---…

Q: Find momnetum Mass of car-20 kg Velocity=10 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: An object is thrown vertically upward from the ground level. It reached a maximum height H. If air…

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Q: A 280 kg crate is being lifted at a steady speed to an apartment 10m above the ground. The crane…

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Q: 6. A thin film of soapy water with an index of refraction of 1.39 has a thickness of 1.15 x 10-7 m…

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Q: A spaceship has been gone from the Earth for a total time of 5 years ship time. The people on the…

A: A spacecraft is a vehicle or machine designed to fly in outer space. A type of artificial satellite,…

Q: Given data: Distance to covered by car-22 m Time to cover the distance-2 s Find speed

A: Given that- distance covered d = 22 m time taken t = 2 s

Q: Let pv (1x+3y³+3z2)C/m³ in cubical region; 1 < x, y, z <7 mm and pv = 0 outside the cube. a. What is…

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Q: An RLC circuit is used in a radio to tune into an FM station broadcasting at f = 99.7 MHz. The…

A: Given, Frequency (f) =99.7MHz  Resistance (R)= 18 ohm  Inductance (L) =1.80 µH

Q: Show that the maximum kinetic energy of the recoil electron in Compton scattering is given by 2hf K.…

A: If we want to calculate maximum kinetic energy of the recoil electron in Compton scattering, we…

Q: 1. A wire of radius 0.8 mm and length of 2.5m is stretched by a force of 49N. calculate the stress,…

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Q: An electromagnetic wave with frequency 7.8x10^14 Hz travels with a speed of 1.5x10^8 m/s in a…

A: Given Frequency of the wave is f=7.8×1014 Hz Speed of the wave is v=1.5×108 m/s   We have to find…

Q: converging and diverging lens with a focal length of 10 cm each are placed 30.5 cm apart. An object…

A: If multiple optical instrument (lens) are there then image formed by first will act as object for…

Q: A car whose wheels are 30 cm in radius is travelling with a constant velocity of 110 kph. If it is…

A: Given: The initial velocity of the car is 110 kph. The radius of the wheel is 30 cm = 0.3 m. The…

Q: calculate the Schwarzschild radius of a black hole with a mass 20 times the mass of the Sun.

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Q: 2. In a run/walk race, Weber runs x miles in h hours, then walks the remainder of the race route, y…

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Q: 4. A 12 kg box is released from the top of an incline that is 5 m long and makes an angle of 40° to…

A: Given: The mass of the object is 12 kg. The length of the ramp is 5 m. The angle of inclination is…

Q: A spaceship travels at 0.99c for 3 years ship time. How much time would pass on the Earth?

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Q: if traveling 88 feet per second is the same as traveling 60 miles per hour, how fast in feet  per…

A: Given, 88 feet per second = 60 miles per hour 88 fps = 60 mph 1mph=88/60fps We have to find how many…

Q: An AC voltage of the form Av = 115 sin 260t where Av is in volts and t is in seconds, is applied to…

A: ∆v = 115 Sin(260t) R = 58 ohm C = 28 μF L = 0.300 H

Q: A sinusoidal wave traveling to the left, has an amplitude of 15 cm, a wavelength of 40 cm and a…

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Q: H horizontal force of P = 1,400 lb is applied to the rectangular bar shown in Figure above. d = 1.80…

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