Write an expression for the magnitude of the normal force, fn, acting on the block, in terms of f2 and the other variables of the problem. assume that the surface it rests on is rigid.

Explain vector addition, triangle method and parallelogram method

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

What is the temperature in degrees celsius of a substance with a tempature of 49k