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Questions
1. Define mass and volume.
2. What happens if an object has more mass than the air or water it displaces?
3. In three to five sentences, explain why ships or boats float.
4. What happens to the egg when placed in the beaker of fresh water?
5. What happens to the egg when placed in the beaker of salt water?
6. In three to five complete sentences, explain why the egg sinks in water but floats when salt has been added to the water. Remember to use proper grammar and mechanics when writing your sentences.
7. What happens to the density of a liquid when salt is dissolved in it?
8. Why is a ship less likely to sink from the amount of cargo it is carrying when it is in the ocean rather than a lake?
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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