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A bullet mass 7.1 grams is fired from a gun with a muzzle velocity of 1,078 mph. It embeds itself 77.3 cm in a wood post. What was the average force on the bullet in slowing it to a stop?
a potter;s wheel is a uniform disc of diameter 1m and a mass of 70kg. what min total of friction force must be applied to the disk
The acoustical system is driven by speaker emitting a 432Hz note. If destructive interference occurs at a particular instant, by what least amount amount must the difference of two path lengths in the U-shaped tube be increased so as to hear const..
An aerosol can is pressured at 440kPa when it's refrigerated at 3 degree Celsius. What is the maximum safe pressure for the can
Initially at rest, a small copper sphere with a mass of 3.03·10-6 kg and a charge of 5.05·10-4 C is accelerated through a 6990-V potential difference before entering a magnetic field of magnitude 4.01 T
Flywheels are large, massive wheels used to store energy. How long does it take the flywheel to reach top speed
A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min. Find the constant angular acceleration of the centrifuge
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
A 240kg block with mass density of 1200kg/m^3 was accidentally dropped into water and sink. What force should be applied to the block to pull it out of water
Two identical coils are parallel to each other on the same axis. Find an expression for the magnetic field strength at the mid-point between the loops
A railroad car with a mass of 11600 kg collides and couples with a second car of mass 18600 kg that is initially at rest. what is the final velocity of the two railroad cars after they couple
When a 2.90 kg object is hung vertically on a certain light spring described by hooke's law, if the 2.90-kg object is removed, how far will the spring stretch if a 1.45 kg block is hung on it
You have a sample of Xenon in a rectangular container. The gas exerts a total force of 2.03 N perpendicular to one of the container walls
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