Physics [Archive] - Ask Me Help Desk

The Double-Slit Experiment (18 replies)
Perturbation theory (Quantum Mechanics) (3 replies)
Thermodynamics nozzles (1 replies)
Using Ultra Sonic Cleaner to lubricate Tight Parts (1 replies)
Calculate how much heat is required to increase the temp. of 2.0kg of ice from -10deg (0 replies)
If you wrap a piece of cotton cloth around a thermometer will temp. rise? (6 replies)
I can't figure out this physics problem for the life of me. (1 replies)
Whom can I send my work on Physics? (0 replies)
A physics question (2 replies)
How do complex waves and harmonics work? (1 replies)
Physics (1 replies)
Mechanics (1 replies)
Takeoff velocity question (1 replies)
Confused & need help (3 replies)
Physics Question- Centripetal force (1 replies)
Assignment1 (0 replies)
A car travels with velocity of U m/s for S metre and with V velocity for another S me (3 replies)
Does anyone know how to do this (1 replies)
Physics (1 replies)
4. A car initially 8.00 km south of a gas station and moves with a constant velocity (1 replies)
Baby strength (3 replies)
Compute the force of gravity between two 0.7 kg masses whose centers are 15 centimete (1 replies)
If a body is in a state of stress but not in a state of strain then the body is what? (1 replies)
If an object is thrown horizontally, travels with an average x-component of its veloc (2 replies)
You are given two +q and -q charges.how many ways can you arrange them (1 replies)
Shadow Identity Dream (3 replies)
Conservation of energy (2 replies)
Physics Trouble (4 replies)
Moment of inertia (2 replies)
Force required to move block when between two surfaces (3 replies)
Force (1 replies)
How slow can a planet rotate around its axis ? (2 replies)
Why this seesaw is working against physics laws (25 replies)
Further mechanics (1 replies)
How do you determine the lower limit (a) in the attached integrale in MATLAB? (2 replies)
Find velocity (1 replies)
Projectile Motion On An Inclined Plane (9 replies)
Shakib Al Hasan hit a cricket ball with a velocity of 30 m/s at an inclination of 30 (1 replies)
Spacial Distortion Field Emission (4 replies)
Can such an orbit exist? (picture) (1 replies)
Tell me flaw in this design (11 replies)
Velocity transfer (5 replies)
How does a thermocouple work? (1 replies)
Electric potential, work and potential energy (0 replies)
Rotating disk (5 replies)
Motion in space (1 replies)
Refractive index (0 replies)
We shine light of wavelength 1nm an electron -proton plasma so what are the two wavel (0 replies)
Urgent! Please help. These are my assignment questions. Due Tuesday .Physics problem (1 replies)
If the focal length of your eyeglasses is 60cm what is your near point? (0 replies)
Can time be controlled in the 4th dimension? (2 replies)
Projectile motion (1 replies)
Formulas for thin film superlattices N, K calculations (0 replies)
Two similarly and equally charged identical metal sphere A and B repel each other wit (1 replies)
Physics kinematics (3 replies)
Why albert Einstein have Called his theory of Gravity as general 'Relativity'? (3 replies)
Elastic Collision - trucks (1 replies)
Collision of a bullet and a hanging block (1 replies)
Total charge in the circuit?? (0 replies)
velocity of particle is given by v=(4-t)m/s.find the distance travelled by the partic (1 replies)
Kinetic Energy (1 replies)
Elastic Energy - finding mass (3 replies)
Mutual inductance (0 replies)
Tension and compression forces (5 replies)
Motion (1 replies)
Kilometers is to distance traveled as ________is/are to _______________. Kilometers (3 replies)
Work done in rotating a current carrying loop through a magnetic field (4 replies)
Why is the potential of a current carrying loop zero at this position? (1 replies)
What does critical velocity even mean? (2 replies)
Total resistance of a complex circuit (3 replies)
Work done by isothermal process (2 replies)
Question on gravitation (11 replies)
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 5.00 (1 replies)
Electric potential inside a charged sphere (2 replies)
Cconductor with the velocity of 15m/s an an angle of 90 ,60,30.to magnetic field prod (1 replies)
Physics formula unclear (1 replies)
Confusion in electric potential/potential energy related calculation. (1 replies)
Physics 1 (2 replies)
Gauss law problem (2 replies)
Is heat transferred when water vapor (liquid state) condense to form larger drops? (0 replies)
An integration question in magnetic field calculations (2 replies)
Faraday's law problem (5 replies)
Help, physics question! (10 replies)
Calculate the rate of change of enegry production (4 replies)
Don't know how to use this formula for entropy of mixing. (2 replies)
About Relativity's Time Dilation (3 replies)
Emf (2 replies)
Physics (1 replies)
Physics (1 replies)
Never reducing propellant for deep space propulsion tech (4 replies)
Need help about phase difference. (2 replies)
Machine (4 replies)
Physics homework help need answers (1 replies)
How does conservation of momentum apply to light being absorbed by an object (3 replies)
Please tell me which ohysics concept to apply for this question. (4 replies)
Need hint about torque and speed (4 replies)
Re-expressing the Hamiltonian of a system using another basis (0 replies)
Physics (2 replies)
Physics (1 replies)
Magnetic induction (27 replies)
Repulsion force (2 replies)
Confusion over gravitational potential energy (1 replies)
A bricklayer weighing 800N stands 1 meter from one end of a scaffold 3 meters long. T (2 replies)
Physics (3 replies)
Law of conservation of linear momentum (1 replies)
Calculate distance travelled by object when a impulse force is given (1 replies)
Current Density problem. Ion Beam... (0 replies)
Force Caluculation (2 replies)
Electricity, Four charges are the corners of a square... (0 replies)
Electricity, Thin Uniform rod of length L, (0 replies)
Does Repeating and averaging experiment increase accuracy of experiment? (6 replies)
Confusion in Maxwell's derivation of Ampere's Force Law-Part II (0 replies)
Are Magnetic Levitation Wind Turbines possible? (3 replies)
Velocity (help) (1 replies)
Magnitude (1 replies)
Phy204 (2 replies)
Gain in kinetic energy (1 replies)
Quantum Physics, Double Slit Experiment Question? (2 replies)
Experiment (1 replies)
Physics Questions, I need Answers (1 replies)
Conservation of Momentum (angular and translational) (2 replies)
Satellie speed (1 replies)
Confused with physics (1 replies)
If an object is immersed wholly in a liquid causing upthrustequal to the weight of th (1 replies)
What does + (plussymbol) with a circle around it in adding angular momentum (2 replies)
You need to know mass & velocity of boject to calculate momentum (1 replies)
Kinematics (1 replies)
True or False (3 replies)
Fluid dynamics (2 replies)
Why racing cars have streamline design? (3 replies)
Vector Rotation About Arbitrary Axis (2 replies)
Standing wave (1 replies)
Difference b/w the two (3 replies)
A father pushes horizontally on his daughter's sled to move it up a snowy incline, as (1 replies)
The book has a mass of 1.0 kg, and the coefficient of kinetic friction between the bo (1 replies)
Physics (2 replies)
A rock is dropped off a cliff with zero initial velocity and strikes the ground with (3 replies)
For any two masses,m1 and m2,R distance apart,what is the gravitational force between (1 replies)
The Physics behind opening jars. (5 replies)
Physics (1 replies)
Projectile motion (1 replies)
Velocity and Displacement (1 replies)
Urgent question about acceleration (8 replies)
A spine attached to a wall maintained at a uniform temperature Tb has the shape of a (2 replies)
Energy (3 replies)
Speed (2 replies)
How to understand black-body radiation? (1 replies)
A car is travelling with constant acceleration along a straight tract. You measure th (3 replies)
A broad beam of light of wavelength 630 nm is incident at 900 on a thin,wedge-shape (2 replies)
The smallest scale division of a stop watch is 0.1s. Calculate the possible error in (2 replies)
Physics question help! (3 replies)
Physics question! Please help me! (1 replies)
Electrical energy consumed by a motor (3 replies)
Question from laws of motion (2 replies)
As force increases acceleration does what? (2 replies)
A vector quantity is described with both magnitude and direction an a scalar is not (3 replies)
Difference between "0.5×stress×strain" and "0.5×k×(e squared)" (2 replies)
Why graph curves after yield point in stress-strain graph. (5 replies)
equation of trajectory (1 replies)
True or false question (4 replies)
Where I can ask true or false questions? (2 replies)
Does alternating current follows ohms law? (1 replies)
Describe your understanding all 7 aspects of Scientific (1 replies)
Human body as infrared emitter (1 replies)
Motion under gravity (2 replies)
Projectile motion (4 replies)
A proton is accelerated through potential difference of 1 volt then KE of proton ? (1 replies)
Hologram pryamid (0 replies)
Water pressure height vs weight (2 replies)
A frame in the shape of trapezium ABCD is form by bending a thin uniform wire given t (1 replies)
two forces 25N and 15N act on a particl. If the angle between the 2 forces is x = sin (1 replies)
Kinematics (1 replies)
SHM (4 replies)
Power (3 replies)
Potential energy (1 replies)
Vectors (2 replies)
Kinematics (1 replies)
A car is moving in a uniform acceleration on a straight road.its speed is 5[m/s] in 0 (1 replies)
Collision (3 replies)
The Hoover Dam produces electricity which powers parts of Nevada and California. It I (2 replies)
What colour will a yellow book appear if you shine on it red light and please explain (2 replies)
Derive relation bw angular momentum rotational inertia and angular velocity? (1 replies)
Derive relation for work done by variable force .With help of this define +ve and -ve (0 replies)
A ball A is dropped from a cliff 45m high.Two seconds later,another ball B is thrown (1 replies)
Want to build a momentary switch out of a Piezoelectric disk extracted from a buzzer (1 replies)
acceleration in shm is a= -w^2*x How it can become alpha--w^2*theta? (1 replies)
Dimensional analysis (1 replies)
In a particular system , unit of length,mass and time are taken as 10cm,10 g 0.1s res (1 replies)
The force on a particle is given by F(t) = 5.8 t + 4.0 t^2, in N. If the force acts f (1 replies)
Tarzen in one tree, sights Jane in another tree. He grabs the end of a vine with leng (5 replies)
red light has a frequencyof 4*10^14. What is the period? (1 replies)
a spring with a spring constant k= 2 n/m is used to project a mass around a loop of r (1 replies)
Physics (1 replies)
To find charge on a body when multiple charges interfere (9 replies)
Cranes movements (1 replies)
Airplane taking off (1 replies)
Efficiency of a heat engine (0 replies)
Physics (1 replies)
Simple harmonic motion (1 replies)
calculate the normal force, FN,1-3, acting on the rider if his mass is m = 75.1 kg a (1 replies)
Hi, I'm doing a PH3 paper right now, please help? (7 replies)
What is centripetal force? (1 replies)
Physics 2 hw question (0 replies)
Which describes the use of a renewable energy source? (1 replies)
Work energy & power (2 replies)
Physics Problem (0 replies)
How to Boost Current in PiezoElectric Generator (0 replies)
Generating Electricity (2 replies)
Pendulum (2 replies)
find the value and uncertainty in value of g by using formula . (1 replies)
Pulsed wave (1 replies)
Work done by drag force (6 replies)
Physic (1 replies)
What is the current for a 50 ohm toaster in series with a 1 ohm wire (1 replies)
Elementary mechanics (2 replies)
I was told to ask a physicist (6 replies)
Work, Energy, Power (1 replies)
Efficiency (2 replies)
When you lift a bowling ball with a force of 69.1 N, the ball accelerates upward with (1 replies)
Basic Physics (1 replies)
Vectors (2 replies)
The mass of pendulum moves a total horizontal distance of 14cm in one cycle. What is (2 replies)
Physics (2 replies)
Help me (1 replies)
Electric potential (1 replies)
Physics (1 replies)
Electromagnetism (0 replies)
what is the approximate peak value of alternating current producing 4 times the heat (0 replies)
Physics homework (1 replies)
What is equivalent resistance in the following circuit and how? (1 replies)
This are physics questions gving me a headache.. (2 replies)
Ntp and stp (5 replies)
At what distance from the earth's surface will a mass of 40.0kg be just 375.0N in wei (1 replies)
Friction Forces and movement (1 replies)
Series- parallel circuit (5 replies)
Specific heat (0 replies)
A 0.055-kg mass of lead at an initial temperature of 135 0C, a 0.075-kg mass of bras (0 replies)
a particle starts from rest at fixed point O and its acceleration is V=12t^2-24t +8m (1 replies)
Electromagnets (3 replies)
Sedimentation law in physics (1 replies)
Is the nature of spring force similar to the tension offered by a string? (1 replies)
When two balls are rolled in opposite directions at a speed of 10 km/hr inside a airt (1 replies)
Stop and Turn Around in Shortest Time (5 replies)
Motion 9th grade physics (1 replies)
New angular amplitude of an oscillating pendulum (1 replies)
Physics graphs. (2 replies)
Projectile motion (1 replies)
Physics: Kinematics. (7 replies)
Physics: Kinematics. (1 replies)
Anguler velocity (1 replies)