Find the angle of projection at which the horizontal range and the maximum height of a projectile are equal

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.