Physics, 11.03.2020 01:52 msprincessswag3324
A curve in a highway has radius of curvature 409 m and is banked at 3.00°. On a day when the road is icy, what is the safest speed to go around the curve?
Answers: 2
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Space-time metric ds2= -dt2+at2dx2+bt2dy2+ct2dz2 (a)how does the area of a rectangle with vertices at ( x=0, y=0, z=0 ), (1,0,0 ), ( 0,1,0 ) and (1,1,0 ) changes with time? (b) if a photon moving in the x direction starts from the origin at t=1, when does it reach x=l? (ds=0 for the trajectory of a photon.) (c) the proper time for a particle is defined by cd=ds. what is the proper time for a particle to move along the trajectory ( x(t)=t, y(t)=0, z(t)=0 ) from t=0 to 1 ? what is the condition on the parameter a so that the velocity of the particle never exceeds the speed of light ?
Answers: 2
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Physics, 22.06.2019 23:00
Which wave is the result of amplification and produces a louder sound
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Physics, 22.06.2019 23:30
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
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A curve in a highway has radius of curvature 409 m and is banked at 3.00°. On a day when the road is...
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