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Physics Questions
A 150 pounds person is standing on a bathroom scale in an elevator. Calculate the scale...
A force F is required to push a crate along a rough horizontal floor at a...
An LL-RR-CC series circuit is connected to a 120 HzHz ac source that has VrmsVrmsV_rms =...
What is the difference in the loading condition that you are you imposing on a ski...
An airplane, diving at an angle of 49° with the vertical, releases a projectile at an...
An oscillator of mass 2 Kg has a damping constant of 12 kg/sec and a spring...
What is the wavelength of the photon emitted as the electron in the hydrogen atom transitions...
Light of wavelength 500 nm shines on two slits separated by 0.3 mm. Find the intensity...
A truck honking its 1000 Hz horn is traveling at 75 mph toward you. The speed...
23) When comparing rear-foot (RF) and fore-foot (FF) strikers during running, an examination of vertical ground...
You must use the Temperature bar just like in the homework problems to indicate where the...
A vertical, insulated cylinder contains an ideal gas. The top of the cylinder is closed off...
11. A 10 Mg freight car, initially traveling north at 3 m/s, collides with a stationary...
You want to get an idea of the magnitude of magnetic fields produced by overhead power...
2a) When a metal surface is illuminated by light of wavelength 310 nm, the measured maximum...
For silicon at T=300K, Intrinsic carrier concentration (??) = 1.45 × 10^10 ??−3 Silicon bandgap (??...
A 10g bullet moving at 1000m / s hits and passes through a 2.0kg block initially...
A 1-kg mass and a 4-kg mass are connected by a (massless) rod that is 2...
A cosmic-ray proton is moving at such a speed that it can travel from the Moon...
Sketch coordinated, labeled flow and T-s diagrams for the ideal Rankine cycle. Tabulate the temperatures, entropies,...
1. An airplane flying at an altitude of 1000m and at a speed of 500 m/s...
A car starts from rest and travels for 8.0 s with a uniform acceleration of +1.8...
3. Design a roller coaster that falls down a long ramp and then enters a Loop-D-Loop....
At a particular moment the displacement of a simple harmonic motion is - 0.265 m. At...
A plastic rod is rubbed with fur and a glass rod is rubbed with silk (I)...
Make sure you note left or right and which lens you are referring. An object is...
Use the exact values you enter to make later calculations. A ray of light strikes a...
Two toroidal solenoids are wound around the same form so that the magnetic field of one...
A total charge of 7.50 × 10−6 C is distributed on two different small metal spheres....
In an interference-diffraction pattern produced by 2 identical slits, which are separated by a distance of...
A 9.00 kg object is moving to the left with a speed 9.00 m/s. Another 9.00...
An ice cube of mass 50.0 gg can slide without friction up and down a 25.0...
Name one experiment that shows that classical physics is not a correct theory. Explain what one...
A damped harmonic oscillator of mass m has a natural frequency ω0, and it is tuned...
A fan blade is rotating counter-clockwise and slowing down. What are the signs of ? and...
A tennis player tosses a tennis ball straight up and then catches it after 2.23 s...
Two students are on a balcony a distance h above the street. One student throws a...
Consider a block attached to one end of an ideal spring with spring constant k=10 N/m....
An object rotates and increases from 5 to 20 revolutions per second in 15 s. Find...
Q.7 A cylindrical conductor with circular cross-section has radius a and resistivity p and carries a...
The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon...
You are trying to tilt a very tall refrigerator (2.0 mhigh, 1.0 m deep, 1.4 m...
Q.6 A plane electromagnetic wave varies sinusoidally at 90.0 MHz as it travels along the +...
(a) A 35.1-m length of copper wire at 20.0°C has a radius of 0.31 mm. If...
Calculate the useful loss in a laser cavity of length 60 cm, whose mirrors have reflectivity...
An excited hydrogen atom could, in principle, have a radius of 1.50 mm . A -...
In the figure, two blocks are shown with an inclined plane. The two blocks are connected...
A fish initially has the same density as the sea water around it: 1.026 g/cm3. Using...
The current average cost of electricity in the Portland area is about 10.7 cents per kWh....
The resistivity of a semiconductor can be modified by adding different amounts of impurities. A rod...
4.) A positively charged methane ion CH+ 4 (molar mass 16.1g/mol) is deflected in mass spectrometer...
a dog jumps onto a toy at a 45° angle. At the top of the dog's...
A baseball is thrown from second base to first base in a double play. If the...
an 18.6 kg bar is 1.05 m long and is supported by two cables a and...
The sound produced by an outdoor rock concert is 120 dB when measured 1 m from...
3.) We consider a circuit that consists of one battery with unknown voltage (‘EMF’) E, two...
Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass...
Most of us know intuitively that in a head-on collision between a large dump truck and...
What is the lowest frequency for standing waves on a wire that is 10.5 m long,...
5. A wheel starts from rest and accelerates in such a way that its angular speed...
A molecule of DNA (deoxyribonucleic acid) is 2.02
Kathy is running a 100 m race. When the starter’s pistol fires, she leaves the starting...
Find the magnitude of the gravitational force (in N) between a planet with mass 8.75 ✕...
A woman exerts a horizontal force of 107 N on a box with a mass of...
How many gray of gamma-ray photons cause the same biological damage as 26 Gy of alpha...
A tube of uniform diameter carries water to a water pond on the farm. The pond...
A horizontal tube has a diameter of 12.0 cm on the left, and then shrinks to...
Answer the following questions 1. One Newton is equivalent to the following units: a) kg b)...
How many dark fringes will be produced on either side of the central maximum if light...
in the leaves of trees, oxygen is mostly generated in the chloroplasts in the palisade layer....
Two 0.2-kg masses are located at either end of a 1-m long very light and rigid...
Description: A single mass m1 = 3.9 kg hangs from a spring in a motionless elevator....
Problem 10: Suppose a spaceship heading directly away from the Earth at 0.55c can shoot a...
The resistance of a piece of wire is (I) directly proportional to the length of the...
A tennis player hits a ball at ground level, giving it an initial velocity of 26.0m/s...
A distance of 5.60 cm is measured between two adjacent nodes of a standing wave on...
1. In an experiment designed to measure the charge-to-mass ratio of the electron, electrons are accelerated...
Megan is driving her Mercedes, with a mass of 1000 kg, at a speed of 20ms-1....
A potter’s wheel, a thick stone disk of radius 0.500 m and mass 100 kg, is...
Five moles of nitrogen (γ = 1.4) are compressed adiabatically from an initial pressure of 1...
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