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Electrostatics
1. What is the dierence between induction and charging by conduction?
2. How does the force between charged objects vary with separation?
3. What is an equipotential surface? Can two equipotential surfaces intersect?
4. Describe a Faraday ice pail. What happens if a charge object is placed in the pail?
5. What does an electrometer measure? What happens when the ZERO button on the
electrometer is pressed?
6. What are the charge and charge density on the surface of a conducting sphere of radius
r = 0:15m if its potential is V = 200V
A projectile is launched at an angle of 33.69 degrees from the horizontal and lands down range at the same level. If the range of the projectile was 900 meters what was the maximum height
A 0.47 kg piece of wood floats in water but is found to sink in alcohol (specific gravity = 0.79) in which it has an apparent mass of 0.034 kg. What is the SG of the wood
You drink a small glass of water that is 99.9999%pure water and 0.0001% some poison. Assume the glass contains about a 1,000,000 million trillion molecules, which is about 30mL. How many poison molecules did you just drink?
A shopper in a supermarket pushes a cart with a force of 35 Newton directed at an angle of 25 degree below the horizontal. Calculate the work done by the shopper as she moves down a 50.0 meter length aisle
Find the magnetic force on a proton moving with velocity 4.64 Mm/s in the positive x direction in a magnetic field of 2.00 T in the positive z direction
The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively, What is the final overall magnification of the microscope
a box rests on the ice of a frozen pond. A man applies a horizontal force of 48 N to the box causing the box to accelerate at 3 m\s^2. What is the mass of the box
An infinite plane of charge (see figure below) has a charge perunit area of σ = 2.7 µC/m2. What is the change in the electric potential between points that are2.3 m (initial) and 4.6 m (final) from the plane?
A battery has a chemical potential difference of V. Et is hooked up to N resistors each with a resistance of R. The resistors are hooked together in parallel. If the battery has an internal resistance of Rin, determine the current through the cir..
An air-hockey pucks floats across the table and bumps into a second puck, initially at rest. The first puck - mass 0.0250 kg - is moving initially due east at 5.50 m/s. Find the speeds of both pucks after the bump
Water flowing through a garden hose of diameter2.70cm fills a20.0-L bucket in1.30min. What is the speed of the water leaving the end of the hose
A T-bar tow is used to pull 80 skiers up a 600-m long slope inclined at 15.0 degrees to the horizontal at a speed of 2.5m/s. Find the motor power required to run the T-bar
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