What is the acceleration of free fall on a planet with four times the mass of the Earth but eight times the volume? Write your answer as a multiple of g.

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?