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On the way to school, Jamal realizes that he left his physics homework at house. His car was initially heading north at 24.0 m/s. It takes him 35.5 s to turn his car around and head south at 15.0 m/s. If north is designated to be the positive direction, what is the average acceleration of the car during this 35.5-s interval?
What do you understand by "Absorption coefficient"? which is a better absorber of sound, glass or fibre glass?
A physics student performs a double-slit diffraction experiment on an optical bench, as shown in the figure below. The light from a helium-neon laser has a wavelength of 632.8
A swimmer swims across a 20-meter-wide river at 0.3 m/s. The river is running at 0.1 m/s. What is resultant velocity of the swimmer, and at what angle with respect to his original
What is dielectric breakdown? Explain briefly the various factors contributing to breakdowns in dielectrics. Ans.: Electric Breakdown: When the electric field applied across
What is dispersion? Dispersion within optics consider as the change in phase velocity of an electromagnetic wave along with wavelength. Conversely, when there is a variation o
1+1
A quantum particle confined to one dimensional box of width 'a' is in its first exited state. What is the probability of finding the particle over an interval of (a/2) marked symme
make reasoning questions from motion in 1 and 2 dimensions
an object moves from postion +16m to the postion +47m in 12s.what is its total displacement and its average velocity?
who made einstein''s theory wrong and how?
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