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What are the magnitude and direction of the total magnetic force on the coil as it enters the magnetic field.
A string, 0.23 m long, vibrating in the n = 2 harmonic, excites an open pipe, 0.82 m long, into second overtone resonance. The speed of sound in air is 345 m/s. What is the number of antinodes in th
At some instant the velocity components of an electron moving between two charged parallel plates are vx = 1.10 x 105 m/s and vy = 2.00 x 103 m/s. Suppose that the electric field between the plates is
At some instant the velocity components of an electron moving between two charged parallel plates are vx = 1.10 105 m/s and vy = 2.00 103 m/s. Suppose that the electric field between the plates is
A 8.0-g string, 0.87 m long, is under tension. The string produces a 900-Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. What is the wavelength of the tone in a
How much work is required to turn an electric dipole 180° in a uniform electric field of magnitude E = 41.0 N/C if p = 2.54 10-25 C·m and the initial angle is 80°
How much time do the people have to get off comfortably during each period of the simple harmonic motion?
An electron with a speed of 7.00 108 cm/s enters an electric field of magnitude 1.00 multiplied by 103 N/C, traveling along the field in the direction that retards its motion. (a) How far will the e
Calculate the speed of the ball as it leaves the barrel if a constant resisting force of 6.00 N acts on the ball as it moves along the barrel. (Solved and got 4.90m/s)
Explosives are used to blow a rock apart. The explosion blows the rock into three fragments. Two fragments go off at a 100 degree angle to each other--a 5.8 kg piece at 29.2 m/s and a 3.8 kg piece a
Charges of 4.0 micro coulomb and -6.0 micro coulomb are placed at two corners of an equilateral triangle with sides of 0.10 m. At the third corner, what is the electric field magnitude created by th
Four point charges are on the rim of a circle radius 10cm. The charges are in micro coulomb +0.50, +1.5, -1.0, -0.50. If the electrical potential at the circle's center due to the +0.5 charge alone
The position of a particle is given by the expression x = 2.00 cos (2.00πt + 2π/5), where x is in meters and t is in seconds. a) Determine the frequency b) determine the period of motion
Three enemy spacecraft have been causing trouble in the asteroid belt. They always travel in a line, evenly spaced apart, attempting to chase down local spacecraft to steal their goods.
If a lightning strike can be approximated by considering a cloud and the Earth as a parallel plate capacitor, A) find the capacitance of such a system if the cloud's dimensions are 8 km by 9 km, at a
There are 2 charges (3.5 microcoulmb and 5.2micro coulomb ) located at (-4 cm, 0) and (4 cm, 0), respectively. A) Determine the electric potential at (8 cm, 0).
Falling from the suface of the earth through its center to the other surface of the other side. 1 How many hrs will it take to reach the center? 2. How fast m/s will i be going. 3. How fast when i g
If the distance separates oscillators which differ in phase by 2pie radians, what is the phase difference between two oscillators a distance x apart?
A 5 m glass rod and lead rod bothn at 15° C. The lead rod is heated to 55° C. To what temperature must the glass rod be heated so that they are again at the same length?
Two equally charged particles are held 3.2*10^-3m apart and then released from rest. The initial acceleration of the first particle is observed to be 7m/s^2 and that of the second to be 9m/s^2. If t
A ball is thrown straight upward and rises to a maximum height of 12.0m above its launch point. At what height above its launch point has the speed of the mall decrease to one half of its initial va
A wire of mass 5.00 grams and length 1.20 m is stretched with a tension of 36.0 N. Waves of frequency 50.0 Hz and amplitude 1.6 mm are traveling along the wire. What is the average power carried by
A wire, 4.0 m long, with a mass of 20 g, is under tension. A transverse wave is propagated on the wire, for which the frequency is 740 Hz, the wavelength is 0.70 m, and the amplitude is 6.7 mm. What
A transverse wave is propagated in a string stretched along the x-axis. The equation of the wave, in SI units, is given by: y = 0.006 cos π (46t - 12x). What is the frequency of the wave in SI un
(a) at a distance of 2.00 m from the center of the sphere? (b) at the surface of the sphere? (c) at a distance of 25.0 cm from the center of the sphere? (Hint: use the shell theorem, which states th