Michael is pulling a 75-kg box to the East using a string that is 60° above the horizontal. If he is applying 250 N of force in the string, then what is the acceleration of the box? ( include friction of 10N)

There are weak or strong attractive forces between atoms of liquids with a high viscosity

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up