Rolling the ball down the ramp is like diffusion; the ball is moving from an area of higher potential energy to lower potential energy. It does not require any energy by the user once set in motion.Rolling the ball up the ramp is like active transport. It requires energy to move the ball from the start to the finish.
Related Question in World Languages
- Making Inferences about a Time Period in "A Century Ride" 1.question Read the excerpt from "A Century Ride.� "And Carr?� Oh, his leg knitted finely, and the Doctor said that Maude was a born surgeon, and only her entreaties compelled him to meddle with her bandaging. The excerpt suggests that the Doctor [? approves of] the changing roles of women in the 1800s. 2.question Based on their actions in �A Century Ride,� which inference about Lizzie and Maude as women of the late 1800s is most valid? ? Maude represents the way women had behaved in the past, while Lizzie represents the way that women�s roles were changing. ?? Lizzie represents the way women had behaved in the past, while Maude represents the way that women�s roles were changing. ? Maude represents the way that women�s views on marriage stayed the same, while Lizzie represents the way that women�s views on marriage were changing. ? Lizzie represents the way that women�s views on marriage stayed the same, while Maude represents the way that women�s views on marriage were changing. 3.question Read the excerpt from �A Century Ride.� But now, Carr was behaving atrociously. When Lizzie and her husband were present, he was geniality personified, his brown eyes twinkled, and his laugh rang clear; when Lizzie, with transparent diplomacy, pleaded delicate health, and retired early, or with pretty wifely demands drew her husband aside, and left the young people en t�te-�-t�te, Carr knitted his brows in an ugly frown, and sat, stood, or strolled in gloomy silence. Which phrase in the excerpt clarifies the meaning of �atrociously� by providing its opposite? ?? geniality personified ? transparent diplomacy ? delicate health ? gloomy silence 4.question Based on �A Century Ride,� which 1800s activities would Maude most likely engage in? Check all that apply. ?? campaigning for the right to vote ? working in the home ? observing sports from the side ?? supporting education reform ?? favoring more female workers 5.question Read the excerpt from "A Century Ride.� "Shall I go?� were the words which would have issued from her pretty lips, one day, a week later (had she been in the habit of talking to herself), as she finished reading a long and chatty letter inviting her to "come away North, and spend the holidays,� and concluding with these words: "We are fifty miles from everywhere, and our roads are splendid, so you had better bring your bicycle, or velocipede, or whatever it is you ride to the horror and confusion of Auntie.� What inference about women in this culture can be made from the excerpt? ? Historically, women in this culture were expected to be athletic. ? Historically, women in this culture had difficulty making decisions. ??Historically, women in this culture did not participate in sports. ? Historically, women in this culture did not spend holidays in the South. and then you get 100%