An observer at the top of a cliff measures the angle of depression from the top of the cliff to a point on the ground to be . What is the distance from the base of the cliff to the point on the ground

Argon, neon, and xenon are examples of

What is the equation for electrical work?

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.