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A cylinder of radius b = 25mm has an enclosed charge of 57.3 mC contained in a closed Gaussian surface of radius r =17mm. What is the electrical flux associated with the cylinder of radius b?
While visiting Planet Physics, you toss a rock straight up at 13 m/s and catch it 2.3 s later. What is the mass of Planet Physics
A rocket is fired straight up and accelerates upward at 20 m/s2 for 12 seconds. What is the rocket's maximum altitude
A bat can detect small objects, such as an insect, whose sizeis approximately equal to one wavelength of the sound the batmakes. what is the smallest insect a bat can detect
Two sound sources driven in phase by the same amplifier are 2.40 m apart on the y axis. What is the wavelength of the sound waves from the sources
a system of two sources consist of a solid non-conducting sphere of radius r10cm with charge q uniformly distributed
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s2. what is the minimum allowed length for the runway
Imagine that I hang a heavy copper ring on a string attached to the ceiling and throw a strong magnet through the ring with the North Pole leading and the South Pole trailing? Draw a picture of the situation. Define the coordinate system you can us..
1. Find the order of magnitude of the density of the nucleus of an atom. What does this result suggest concerning the structure of matter? Model a nucleus as protons and neutrons closely packed together. Each has mass 1.67 x10-27kg and radius on the ..
A 40-cm-diameter sphere is released from rest under water. If it weighs 380 N in air, what is its initial acceleration under water if the added mass is neglected? If the added mass is included?
Lightning occurs when there is a flow of electric charge (principally electrons) among the ground and a thundercloud. The maximum rate of charge in a lightning bolt is about 20,000 C/s; this lasts for 100 us or less. How many electrons flow during th..
A particle of charge q starts at rest and experiences an electric field varying along the x direction as bx where b>0 is some constant. find its kinetic energy
A cart traveling at 0.3 m/s collides with stationary object. After the collision, the cart rebounds in the opposite direction. In which collision is the impulse on the cart greater
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