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Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, three have speed 2v, five have speed 3v, four have speed 4v, three have speed 5v, two have speed 6v, and one has speed 7v. Find
(a) the average speed,
(b) the rms speed,
(c) the most probable speed,
(d) the pressure they exert on the walls of the vessel, and
(e) the average kinetic energy per particle.
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
Suppose a muon produced as a result of a cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. What distance is this in the muon's frame
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
An electon is accelerated through 25000 V. how much energy and what frequency will one photon have
A hotel elevator ascends 170 m with a maximum speed of 5.9 m/s. Its acceleration and deceleration both have the magnitude of 1.5 m/s2.
A 60 g bullet traveling at 230 m/s penetrates a block of ice at 0°C and comes to rest within the ice. suppose that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
The membrane that surrounds a certain type of living cell has a surface area of 5.00 10-9 m2 and a thickness of 1 10-8 m. how much charge resides on the outer surface
A particle of charge 12uC and mass 3.8x10^-5kg is released from rest inside a parallel plate capacitor from the positive plate. How long does it take the particle to reach the negative plate
An electron is inside a solenoid, 28 cm from the solenoid axis. At what rate is the solenoid's magnetic field changing
A helicopter is ascending vertically with the speed of 5.79. At a height of 127 above the Earth, a package is dropped from a window. How long take the package to hit the ground.
A 6 m board of mass 7 kg is hinged at one end, with a 60 kg block nesting on the board 245 cm from the hings. A force ~F is applied vertically at the other end to lift of the board. Find the force exerted by the hinge
What is the internal resistance of an automobile battery that has an emf of 12.0 V and a terminal voltage of 16.5 V while a current of 7.50 A is charging it
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