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A 0.73-kg magnetic target is suspended on a string. A 0.025-kg magnetic dart shot horizontally, strikes the target head-on. The dart and the target together acting like a pendulum, swing 12.0 cm above the initial level before instantaneously coming to rest.
A) Sketch the situation and choose a system
B) Decide what is conserved in each part and describe decision
C) What was the initial velocity of the dart?
A 1.0-C charge is 15 m from a second charge, and the force betweenthem is 1.0 N. What is the magnitude of the second charge?
As the drawing illustrates, two disks with masses m1 and m2 are moving horizontally to the right at a speed of v0. They are on an air-hockey table, find the velocity of disk 2 at that moment
The graph of two cars that collide shows that they intersect at a point 5.5m on a distance/time graph. The first car has a velocity of 0.39m/s. what does the steepness of the slope indicate
Two resistors A and B are 60,000 and 40,000 (omega sign) respectively and are in series across a constant power supply of 100V. What amount of current is flowing in each of the 3 resistors
An alpha particle (the nucleus of a helium atom) consists of two protons and two neutrons. what is the strength of the magnetic field
A parallel-plate capacitor is to be constructed by using, as a dielectric, rubber with a dielectric constant of 3.20 and a dielectric strength of 25.0MV/m. find the minimum area the plates of this capacitor can have
What is the charge on each electrode.
question explain why the two lines on your graph should always cross at the frequency where xc r. find this frequency
1 a solid disk r0.20 m m0.50 kg is suspended from the end of an l0.30m long rod m0.30kg crosssectional area of 2.0
How long is the rocket in the air?
A 10,000 kg empty railroad car moving at 3 m/s collides with a loaded railroad car weighing 196,000 N and couples with it
when an ac source is connected across a 15.0-omega resistor the rms current in the resistor is 7.10 a.a find the rms
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