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A race truck accelerates uniformly from 18.5 m/s to 45.8 m/s in 3.56 seconds. Determine the acceleration of the truck and the distance traveled.
A real battery is not just an emf. We can model a real 1.5v battery as a 1.5v emf in series with a resistor known as the "internal resistance", What is the potential difference between the terminals of the battery
a cosmic ray particle travels directly over a soccer field from one goal line to the other at a speed of 0.522c. if the
questionthree point charges are located on the y-axis a charge q at ya a charge -2q at the origin and a charge q at
By how much horizontal force would you need to apply to a 3.0 N plastic calculator to start it moving from rest? How much horizontal force would you need to keep it moving?
Lodestone (magnetite), an igneous rock formed from molten material, is a natural magnet. How could lodestones become magnetized? What is the principle of an electromagnet?
a charge of 8.0 pc is distributed uniformly on a spherical surface radius 2.0cm and a second charge of -3.0 pc is
At a rock concert, the sound intensity 1.0 {\rm m} in front of the bank of loudspeakers is 0.10 W/m^2. How much energy is transferred to each eardrum in one second
q1. a 5.00-g bullet is shot through a 0.96-kg wood block suspended on a string 2.70 m long. the center of mass of the
The sound produced by the loudspeaker has a frequency of 12002 Hz and arrives at the microphone via two different paths. The sound travels through the left tube LXM that has a fixed length.
Potassium has a work function of 2.21 eV. What is the maximum kinetic energy of electrons escaping from a sample of potassium if photons of frequency 6.00×10 14 Hz strike it?
A He-Ne laser light of wavelength 633nm illuminates normally onto a slit. A diffraction pattern if formed on a screen 1.0m from the slit. The distance between the first and second adjacent diffraction minima is 2cm. Draw a diagram for this problem..
A proton and an Au11+ are moving with equal velocities perpendicular to a uniform magneticfield. The Au11+ has 11times the charge as the proton and has 197times its mass. The ratio of the acceleration of theAu11+ to that of the proton is what?
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