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A device consisting of four heavy balls connected by low mass rods is free to rotate about an axle. It is initially not spinning. A small bullet travellet very fast buries itself in one of the ball: mass m=0.002kg, speed v= 550m/s. The balls, M1=1.2kg, M2=0.4kg, R1=0.6m, and R2=0.2m. The axle of the device is at the origin <0,0,0>, and the bullet strikes at the location <0.155,0.580,0>m. Just after, the impact, what is the angular speed of the device? Note that this is an inelastic collision, the system's temperature increases.
A ballistic pendulum apparatus has a hinged catcher of mass 250.0 g. What is the muzzle velocity of the gun
The earth's magnetic field, with a magnetic dipole moment of 8.0×1022A?m2 , is generated by currents within the molten iron of the earth's outer core. What is the current in the current loop
R 134a flows at steady state through a horizontal pipe havingan inside diameter of 4 cm, entering as saturated vapor at -8degrees C with a mass flow rate of 17 kg/'min. Refrigerant vaporexits at a pressure of 2 bar.
Three stars, each with the mass and radius of our sun, form the equilateral triangle 5.0×109 {rm m} on a side. If all three are simultaneously released from rest, what are their speeds as they crash together in the center.
You do 116 J of work while pulling your sister back on a swing, whose chain is 5.0m long, until the swing makes an angle of 32.0° with the vertical
How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 22°C water in reaching equilibrium, What is the change in entropy due to this heat transfer
A block of mass m is suspended from the string a height h above the ground. The string is wrapped around a disk shaped pulley with mass m and radius R. Find out the tension T in the string. (The answer should be in terms of variables). Rotational ..
A 743 pF capacitor is charged to 130 V and then quickly connected across a 172 mH inductor.What is the resulting frequency of oscillation
A 10,000 kg railroad car is rolling at 1.5 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
The pilot of an airplane notes that the compass indicates a heading due west. The airplane's speed relative to the air is 120 km/h. Find the velocity of the airplane relative to the ground
The ball rebounds straight upward to a height of 0.700 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
A 840-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s, What is the average force exerted on the car
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