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The electron-volt, eV, is a unit of energy (1eV = 1.602 ·10-19 J, 1 MeV = 1.602 ·10-13 J).Since the unit of momentum is an energy unit divided by a velocity unit, nuclear physicists usually specify momenta of nuclei in units of MeV/c, where c is the speed of light (c = 2.998 ·108 m/s). In the same units, the mass of a proton (1.673 ·10-27 kg) is given as 938.3 MeV/c2. If a proton moves with a speed of 13700 km/s, what is its momentum in units of MeV/c?
What is the magnitude of net force causing the acceleration.
Proton projected toward fixed nucleous of charge +Ze with velocityv0. Initially the particles are very farapart. When proton is at a distance R from the nucleous itsvelocity is 1/2v0.
Two metal spheres, each of mass 20 g and initially at rest, are dropped from a height of 9 m in an evacuated chamber. Find the difference in final speeds of the two spheres
A projectile (mass = m) is launched vertically upward with initial velocity v. When it has reached a height h above its launch position, it is still moving upward, but at that moment it explodes into two pieces. For what time interval was this impa..
A tight guitar string has a frequency of 540Hz as its third harmonic. What will be its fundamental frequency if it is fingered at a length of only 56% of its original length?
a beam of polarized light strikes two polarizing sheets.The characteristic directions of the second is 90 degree with respect to incident light. Find angle betta for a transmitted beam intensity that is 0.10 times the incident beam intensity
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Find the speeder's speed with respect to the ground
A massless spring of force constant 19 N/m hangs vertically. A body of mass 0.20-kg is attached to its free end and then released. find the amplitude of the resulting motion
An object moves 2.95m in the +x-direction under the influence of a 125N force directed 52 degrees above the x-axis. Find the work done on the object
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.32 cm. How far behind the pinhole should you place the viewing screen
plan a picutre showing Mary's displacment due to rowing, her displacemnet due to the river's motion, and her net displacement.
A coin is placed 10.1 cm from the axis of a rotating turntable of variable speed. What is the speed ( in rpm) of the turntable when the coin slides off
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