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In a colliding-beam experiment, particles traveling at 0.85crelative to the laboratory met in a head-on collision by other particles traveling in the opposite direction at 0.92c relative to the lab. What is the relative speed of approach of the particles as seen in the rest frame of one of them?
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC, What is the potential difference across the capacitor
When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of a star's mass outward, in the form of a rapidly expanding spherical shell.
A grinding wheel in the shape of a solid disk is 0.300 m in diameter and has a mass of 2.50 kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy
A physics professor wants to demonstrate the large size of the henry unit. On the outside of a14-cm-diameter plastic hollow tube, How many kilometers of copper wire will be required
a stone is shot from the edge of a cliff 125 m above ground level with an initial speed of 65 ms at an angle of 37
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and fifth second of its flight
question in the film 2001 a space odyssey a wheel like space station achieves artificial gravity by spinning around its
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. determine the work function of potassium
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball's initial speed was 2.00 m/s, what will be their speeds after the collision
In a location where the speed of sound is 354 m/s, a 2000 Hz sound wave impinges on two slits 30cm apart. At what angle is the first maximum located? If the sound wave is replaced by 2.00cm microwaves, what slit separation gives the same angle for th..
A wooden raft has a mass of 90 kg. When empty it floats in water (density 1000 kg/m3) with 67% of its volume submerged. What mass of sand can be put on the raft without it sinking
the following frequency distribution analyzes the scores on a test. find the class boundaries of scores interval
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