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1. An object can have constant speed without constant velocity, but it can't have constant velocity without constant speed. Explain.
2. You are wearing sandals and running across a plaza. The phone "pager" you are wearing on your hip falls off and lands on your toes painfully. How could this have happened? Shouldn't the pager have fallen behind you where it would have presented no danger to your feet?
3. If a person stands on a stool, his weight is a downward force of a certain size. The stool pushes up with a force. Are they of equal size and oppositely directed? Are they an action-reaction force pair? Elaborate.
4. A large truck and a Volkswagen "bug" have a head-on crash. Answer the following questions, and explain your answers.
a. Which vehicle experiences the larger impact force.
b. Which vehicle experiences the larger acceleration?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is the maximum displacement of the bridge deck?
What is the magnitude of the current in the wire as a function of time?
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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