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A parallel circuit has a 7.90 volt source and a 2.00 ohm resistance and a 4.00...
You have a coil with 100 turns and radius 25cm. what current would produce a magnetic...
2. - Use the Euler Formula derived to evaluate the real and imaginary parts of the...
An X-ray photon is scattered at an angle of θ=180.0° from an electron that is initially...
A 7-kg cube of copper (cCu = 386 J/kg-K) has a temperature of 750 K. It...
Calculate the force of gravity between the Earth and the Moon. The mass of the Earth...
drive planck distribution function from Boltzman distrbation?
Using the Gausses law find the electric field of a uniformly charged non conducting cylinder with...
A 20 turn loop is immersed in a magnetic field that’s spatially uniform and varies in...
Two speakers face each other ten meters apart. They emit a middle C (256 Hz). It...
Why don’t you need three-phase power for typical household applications such as lighting? (talk about the...
Tamsen and Vera imagine visiting another planet, planet X, whose gravitational acceleration, gX, is different from...
A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water...
A mass m1 = 5.2 kg rests on a frictionless table and connected by a massless...
both the sound source n listener sre moving in the same direction . while the listner...
An object is located 1.4 m from a 6.1-D lens. Part A By how much does the...
A water drop slung onto a skillet with a temperature between 100°C and 200°C will remain...
A person pushes a 20.3-kg shopping cart at a constant velocity for a distance of 36.2...
A car moves at 20 m/s for 60 m. It then accelerates to 25 m/s in...
When an object is placed 200 cm in front of a certain spherical mirror, its image...
A 1-kg particle moving with 14 m/sm/s in the positive x-axis direction makes a head-on elastic...
Find the wavelength of the laser through two slits. The distance between the slit to the...
Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from...
A firecracker explodes near Angie, and the sound level that she hears is 95 dB. If...
Thermodynamics deals with the macroscopic properties of materials. Scientists can make quantitative predictions about these macroscopic...
say you were to make a compass using water, needle, a cork, and a magnet at...
How does impulse-momentum theorem relate to Newton's second law?
A photon with a kinetic energy of 10^-3 eV is absorbed when a molecule makes a...
A thin uniform pole of length 33 m is pivoted at the bottom end. Calculate the...
A wire carries a current from west to east. Assume that at this location the magnetic...
3. A point charge q1 = -15 nC is located at x= -3 meters, y =...
Two objects of different masses have momentum of equal, non-zero magnitude. Which object has more kinetic...
Calculate the wavelength ? and the frequency ? of the photons that have an energy of...
Part A: True or False...Average speed is the instantaneous speed divided by total time. Part B:...
A 12 kg block is pulled along a level plane by a F = 76 N...
A 2.0 kg mass is attached to a spring which is hooked to a wall. The...
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a...
4. Why is a low-pressure gas or vacuum considered the best thermal insulator possible? Explain. Use...
For this question place your answer in the following format: Let say your answer was 1.22...
A coating of methylene iodine (index of refraction 1.737) covers a glass plate having a thickness...
1. a) Why is the following situation impossible? A student's dormitory room measures 3.0 m by 3.3...
A 25g block of copper is placed on a 100g piece of ice: a.) If it...
What does it mean for 2 objects to be in thermal equilibrium and why is temperature...
A block of mass 2.51 kg is moving at 6.6 m/s on a flat frictionless plane....
Suppose a rock is falling toward Earth. What is happening to its total energy (kinetic +...
A 25g block of copper is placed on a 100g piece of ice: a.) If it...
Aroldis Chapman, relief pitcher for the New York Yankees baseball team, holds the record for the...
Vector A has magnitude of 10.0 at an angle of 50.0 o from the x-axis. Vector...
1. Calculate the spring constant ,k, for a spring, if the spring stretches by 0.2 m...
A 2.4 kg block is launched along a level frictionless plane using a spring with constant...
does newton's 3rd law apply for frictional forces? why or why not
An archeological specimen with carbon mass 0.60 g has an activity of 6.2×10−3 Bq due to...
A Cepheid variable in a nearby galaxy looks 20x107 times fainter than an identical Cepheid in...
To melt the ice off your windshield, you are using a metal cube to transfer heat...
An MRI technician moves his hand from a region of very low magnetic field strength into...
2) The rotation speed of an HDD (a magnetic hard drive disk) is 4500 rmp. Its...
3. A ball of mass 2.00 kg, resting on a horizontal frictionless surface, gets hit by...
true or false questions: 1. If a normal force is acting on a body, the normal...
A thrower runs at a constant velocity Vconstant, he throws a projectile horizontally from a height...
A car is at rest at a stop sign and there is another stop sign 100...
A boy of mass 45-kg is on a moving ice sled A of mass 30-kg at...
An infinite straight wire carries current I1 = 2 A in the positive y-direction as shown....
A uniform disk (I =
Two in-phase sources of waves are separated by a distance of 3.88 m. These sources produce...
Calculate the magnitude of the maximum orbital angular momentum Lmax L m a x for an...
A truck stalls and is put in neutral by the driver, while the train is moving...
An α-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. It...
A 2.0 kg mass is attached to a spring which is hooked to a wall. The...
Suppose there is a 7.5 × 106 N/C electric field in some region. Calculate the magnitude...
Consider two cars of different masses, with the mass of car 1 greater than the mass...
A Gaussian surface in the form of a straight circular cylinder has a radius of 13...
A box, initially at rest, is pulled by a rope as it slides along a horizontal...
An L-R-C series circuit L= 0.125 H , R = 245 ΩΩ , and C= 7.32...
A person is spun around on a carnival ride as shown in the figure. The combined...
An initially discharged capacitor C is fully charged by a constant emf in series with a...
Explain current and circuits with resistors connected in series and in parallel. Also give examples. (Please...
An athlete at the gym holds a 2.6 kg steel ball in his hand. His arm...
The figure shows an overhead view of a ring that can rotate about its center like...
The sound intensity level of 0 dB is defined as the threshold for hearing value of...
a 10 g bullet is fired into a 2 kg block initially at rest at the...
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