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(a) A point charge Q = +4.40 µC is held fixed at the origin. A second point charge q = +2.0 µC with mass of 2.80 10-4 kg is placed on the x-axis, 0.250 m from the origin.
(b) The second point charge is released from rest. What is its speed when it is at the following distances from the origin? 1)0.500 m 2)5.00 m 3) 50.0 m
A 12-kg hammer strikes a nail at a velocity of 8.5 m/s and comes to rest in a time interval of 8.0 ms. What is the average force acting on the nail
The fundamental frequency of a pipe that is open at both ends is 560 hz . a) How long is this pipe? Use v = 344m/s . b) If one end is now closed, find the wavelength of the new fundamental. c) If one end is now closed, find the frequency of the new f..
A standing wave on a string that is fixed at both ends has frequency 80.0 Hz. What is the speed of the waves on the string
A 2.67 ? resistor, a 5.52 ? resistor, and a 8.10 ? resistor are connected in series with a 24.0 V battery. What is the equivalent resistance? What is the current in each resistor?
Compared to an object that does not roll, other than instead slides without friction, should a rolling object be released from same, a greater, or a lesser height in order just barely to complete the loop the loop.
A crazy anti-textbook Pearson rep goes ape and tries to chop a 6.0 cm thick textbook in half to show you how books, what force did the book exert back while it was being cut
A brick of mass 1.21 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. What is the maximum speed the brick can have at the bottom of the circle before the cable will break
Consider the mass on aspring system in Figure P11.20. Three identical springs, What is the frequency of this simple harmonic oscillator
A .41m copper rod w/ mass .17 kg carries a current of 13A in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field
A 2.22 kg steel ball strikes a massive wall at 10.4m/s at an angle of alpha = 58.4° with theplane of the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.204 s, what is the magnitude of the average ..
A race car has a mass of 718 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
Three identical masses of 620 each are placed on the x axis. One mass is at = -130 , one is at the origin, and one is at = 320. What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gr..
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