A
170 g hockey puck sliding at 25 m/s slows to a speed of 10 m/s in a distance of
7.5 m. determine the force of friction
causing the puck to slow.

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.