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A proton moves with a speed of 0.955c.
(a) Calculate its rest energy.
MeV
(b) Calculate its total energy.
GeV
(c) Calculate its kinetic energy.
Three resistors havin resistances of R1= 1.66?, R2= 2.44?, and R3= 4.94? respectively, are connected in parallel to a 28.2V battery that has negligible internal resistance. Find the power dissipated in each resistor
A wire streches from the top of a vertical pole to a point on level ground 16 feet from the base of the pole. if the wire makes an angle of 62 degrees withe the ground, find the height of the pole and length of the wire.
A laser used in cutting or drilling metals produces 10 ns pulses at 1.00 J per pulse. what is the peak light intensity at the spot
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What is the instantaneous angular velocity of the disk at the end of the 5.0 s
A small block of mass 0.97 kg slides without friction on a horizontal table. Initially it moves in a circle of radius R0 = 0.52 m with a speed 1.3 m/s. What is the final speed of the block
A nonconducting thin layer carries charge with a uniform density of 8.40 µC/cm2. (a) What is the electric field 3.80 cm in front of the wall if 3.80 cm is small compared with the dimensions of the wall? magnitude and direction?
A 10720 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 35 mph, 33 degrees East of North. calculate the force of the wind on the boat
A sphere, a solid cylinder and a thin-walled hollow cylinder all have the same mass and radius. Which one reaches the bottom of the incline first
Select all that apply. Which is the following statements is true?
A horizontal wire of 0.52 m carrying a current of 8.2 A is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field
Electrons which were initially at rest were subjected to a continuous force of 2×10-12 newton along the entire length of two miles (one mile is 1.6 kilometers) and reached speeds very near the speed of light.
A spaceship is measured to be 158 m long while at rest relative to the observer. what length does the observer measure
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