The skater lowers her arms as shown in the adjacent figure decreasing her radius to 0.15 m. Find her new speed.

What property of an object determines its inertia?

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force