An egg is thrown straight up at the edge of a 100m cliff with an initial velocity of 20m/s. how long will it take for the egg to hit the ground below?

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.