Physics, 26.11.2019 22:31 mahadsaeed101
To open a stuck jar lid, wearing rubber gloves sometimes works. why does that ? you can exert a greater torque by exerting a lower force tangential to the lid. the coefficient of static friction between the rubber and the lid is likely to be greater than the coefficient of static friction between your hand and the lid. you can exert a greater torque by exerting a lower force tangential to the lid. the coefficient of static friction between the rubber and the lid is likely to be lower than the coefficient of static friction between your hand and the lid. you can exert a lower torque by exerting a greater force tangential to the lid. the coefficient of static friction between the rubber and the lid is likely to be greater than the coefficient of static friction between your hand and the lid. you can exert a greater torque by exerting a greater force tangential to the lid. the coefficient of static friction between the rubber and the lid is likely to be greater than the coefficient of static friction between your hand and the lid.
Answers: 3
Physics, 22.06.2019 22:00
Aparticle of mass m is placed in a one-dimensional box of length l. the box is so small that the particle’s motion is relativistic, so that e p2/2m is not valid. (a) derive an expression for the energy levels of the particle using the relativistic energy–momentum relation and the quantization of momentum that derives from connement. (b) if the particle is an electron in a box of length l 1.00 1012 m, nd its lowest possible kinetic energy. by what percent is the nonrelativistic formula for the energy in error?
Answers: 1
Physics, 22.06.2019 22:00
The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?
Answers: 1
Physics, 22.06.2019 22:50
The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s
Answers: 1
Physics, 23.06.2019 05:00
City b is south of city a, and the 200 mile trip by car takes 4 hours. the cities are 120 miles apart in a straight line. what is the velocity of a trip from city a to city b?
Answers: 2
To open a stuck jar lid, wearing rubber gloves sometimes works. why does that ? you can exert a gre...
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