Identify the characteristic of gravity that is incorrect,

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

What part of the ear is names after tools, such as the hammer and the anvil?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.