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Particles P and Q areinitially at rest 1.0 m apart. P has a mass of0.10 kg and Q a mass of 0.30kg. P and Q attract eachother with a constant force of 10–2 N. No external forces act on the system.
a) Describe the motion of the center of mass.b) At what distance from P’soriginal position do the particles collide? Explain.
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.2 104 rev/min. Find the drill's angular acceleration
In an early test of sound propagation through the ocean, an underwater explosion of 1 pound of dynamite in the Bahamas was detected 3200 away on the coast of Africa
What is the magnitude of the average force on Superman's chest from the stream of bullets.
In a Rutherford scattering experiment, an ?-particle (charge = +2e) heads directly toward a silver nucleus (charge = +47 e). The ?-particle had a kinetic energy of 4.7 MeV when very far (r ) from the nucleus. Assuming the silver nucleus to be fixed i..
A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L, Find the mass of the portion of the string above the rod
In many cars, the passenger's side mirror has the following warning "Objects in mirror are closer than they appear" embossed on the mirror surface. What is focal length of passengers mirror
The heaviest flying bird is the trumpeter swan, which weighsin at about 38 pounds at its heaviest. What is the weight in newtons
two equal point charges each of magnitude 2.00 x 10-6 c are located on the x axis one at x 1.00m the other at x
After a completely inelastic collision between two objects of equal mass, each having initial speed v, the two move off together with speed v/3. What was the angle between their initial directions
The current is increasing at a rate of3.2A/s in an RL circuit withR=4.00ohmsandL=360mH. What is the total potential difference across the resistor and inductor at the moment when the current in the circuit is 3.0 A?
At one instant a bicyclist is 49.0 m due east of a park's flagpole, going due south with a speed of 14m/s. Then 35.0 s later, the cyclist is 49.0 m due north of the flagpole, going due east with a speed of 14m/s.
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.7 kg · m2 and an angular velocity of +7.0 rad/s. Disk B is rotating with an angular velocity of -9.6 rad/s. The two disks are then linked together without the aid of a..
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