Two carts collide on a low-friction track. cart 1 has an initial momentum of +10 kg⋅m/sι^ and a final momentum of -5.0 kg⋅m/sι^ . if cart 2 has a final momentum of -7.0 kg⋅m/sι^ , what was its initial momentum?

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Orange juice has a lower or higher viscosity than chocolate syrup

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.