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A parallel plate capacitor consists of two plates, each with an area of 0.113 m2, separated by 10 millimeter. A charge of 5 nC is on the positive plate. Find the magnitude of the electric field between the plates?
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is ?s = 0.571, and the kinetic friction coefficient is ?k = 0.467. what is the sled\'s acceleration
A light string is wrapped around a spool of radius 35 cm. Shape of spool is unknown, thus you do not know moment of inertia. find the angular acceleration of the spool
You're working on a new high-speed rail system. It uses 6000-horsepower electric locomotives, getting power from a single overhead wire with resistance 15 mOhms/km, How far from the power plant can the train go and still meet this standard
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
In a parking lot, an SUV of mass 2000 kg driving at 5 m/s collides head on with a sports car of mass 1000 kg driving in the opposite direction. Determine the velocity of the sports car before the collision
A puck on a horizontal frictionless table is attached to a string that passes through a hole in a table. Explain what happens to the puck's angular momentum
An aircraft carrier has a speed of 13.0 m/s relative to thewater. What is thefrequency of the sound heard by the crew on the ship
A speedboat starts from rest and accelerates at +2.15m/s2 for 8.35 s. At the end of this time, the boatcontinues for an additional 8.62 s with an acceleration of +0.629m/s2. Following this, the boat accelerates at -0.968m/s2 for 8.87 s.
A light beam travels at 1.94×108 in quartz. The wavelength of the light in quartz is 355. What is the index of refraction of quartz at this wavelength
the position of a particle is given by the expression x=4cos(3pt+p), where x is in meters and t is in seconds. estimate the frequency and the period of the motion
What does the brightness of the bulb say about the current in the circuit? How much of the current is coming from each of the batteries
two large parallel metal plates are 6.5 cm apart and have charges of equal magnitudes but opposite signs on their
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