Why is venus often referred to as earth's sister planet?

An object's buoyant force and weight mean the same thing.a. trueb. false

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.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?