I’m tall when I’m young, and I’m short when I’m old. What am I?

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion