A 25 kg cannon ball is shot out of a 1600 kg cannon that is initially at rest. When fired, the velocity of the cannon ball is 200 m/s. What is the recoil velocity of the cannon?​

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

Which component of the earth’s atmosphere is decreased due to photosynthesis?