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Are there any advantages to using a graph instead of a motion diagram for speeding up and slowing down motion? What are they? Is there any special characteristic of the appearence on a position vs time graph of motion of an object that is constantly speeding up or slowing down?
An object is placed 17 cm to the left of a converging lens of focal length 30 cm. Find the position and magnification of the final image
A wire is 3.500 m long. After applying a force to one end of the wire, it is now 3.504 m long. Calculate the tensile strain in the wire
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 1.80 cm
What is the speed of a beam of electrons when the simultaneous influence of an electric field of 1.48×104V/m and a magnetic field of 4.66×10?3T, What is the period of the orbit
You see a bolt of lightning strike the ground. Exactly 37 seconds later you hear the thunder. how far away is the lightning
Consider three capacitors, of capacitance 3600 pF, 5800 pF and 0.0100 ?F. What is the minimum capacitance you can obtain for them
A rod has a linear density ? = 3x, where x is the distance along the rod, What is the coordinate of the center of mass of the rod
Assume that it takes 2.30 kg of oxygen to burn 1.00 kg of coal. (The actual amount varies with the type of the coal). What is the total mass of the reagents used in the combustion all through the 30 days.
In a photoelectric effect experiment, which metal will have a higher cutoff wavelength (i.e. the wavelength above which no electrons are emitted), silver which has a work function of 4.73 eV or lead which has a work function of 4.14 eV? Explain why.
Two particles of mass m1= 2.6 kg and mass m2 = 4.8 kg that are free to move on a horizontal track are initially held at rest so that they compress a spring, Find the final velocities of the two particles
A harmonic wave travels along an ideal rope from left to right. At the position we’ve marked as zero meters, we observe the rope reaching a maximum displacement of 15 cm every 2 seconds. We also notice that the distance between neighboring maxima ..
The speed of light in a material is 0.52×c. What is the critical angle (in degrees) of a light ray at the interface between the material and a vacuum
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