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Q1. The potential at location A is 393 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 781 V, and when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find potential at B.
Q2. On level ground a shell is fired with the initial velocity of 74.5m/s at 60.5deg above the horizontal and feels no appreciable air resistance. At its highest point, find out the horizontal and vertical components of its velocity.
If a car traveling at 55 km/h will skid 24 m while its brakes lock, how far will it skid if it is traveling at 130 km/h when its brakes lock.
q1. a small ball of mass 62 g is suspended from a string of length 37 cm and whirled in a circle lying in the
Use a computer to produce a table and graph, like those in this section, for two interacting two-state paramagnets, each containing 100 elementary magnetic dipoles.
The block is spun at 60 rpm, then the temperature of the rod is slowly increased. When the wax melts, the block slides out to the end of the rod. Determine the final angular velocity? Give your answer in rpm.
An air bubble of 10 cm^3 is created at bottom of a lake, where the temperature is 5 degree celsius and is 100 m deep. what is the pressure at the bottom
A 2.11-cm2 wafer of pure silicon is irradiated with electromagnetic radiation having a wavelength of 775 nm. How many electron-hole pairs are produced in one second
After the ambulance passes, the observed frequency of the siren is 493 Hz. Conclude the ambulance's speeds from these observations.
A Proton is located at x=2.0 nm, y=0.0 nm and an electron is located at x=0.0nm, y=4.0 nm. Find the attractive Coulombic force between them
The treasure map in the figure gives the following directions to the buried treasure, Which direction should you go to reach the treasure and How far should you go to reach the treasure
A football resting on the ground is kicked at an angle of 35.0° towards the uprights with an initial speed of 20.0 m/s
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
Two metal spheres, each of mass 20 g and initially at rest, are dropped from a height of 10 m in an evacuated chamber. Find the difference in final speeds of the two spheres
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