Determine the coefficient of friction between a ball bearing and a roller coaster if the roller coaster starts with an 12.02 g ball being dropped from a height of 1.55 m (ignore friction during drop), and finishes the 6.15 m track along the floor with a speed of 4.2 m/s.

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

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.