1. (2 pt) Luisa is very strong. From the top of the tower of the church, she drops a big rock (10 kg) and a small stone (1 kg) at the same time to assess which one will take the longest to reach ground. Knowing that the air resistance is negligible, which object will reach the ground first? a) The big rock c) Both arrive at the same time b) The little stone d) Impossible to know in advance (2 pt) Luisa collects the donkeys from the village to bring them back to the barn. Since she is very strong. she takes the animal, throws it into the air vertically and catches it on her shoulder. When is the velocity of the donkey 0.0 m/s? 0) When Luisa throws him the donkey c) Just before Luisa catches the donkey b) When the donkey is at its maximum height d) The velocity will never be 0.0 m/s (2 pt) Based on the previous question, which of the following statements better describes the acceleration of the donkey during its trajectory? a) When it goes up. the acceleration is positive. and when it goes down, the acceleration is negative. b) When it goes up. the acceleration is negative, and when it goes down, the acceleration is negative. c) Throughout its trajectory, the acceleration of the donkey is positive. d) Throughout its trajectory, the acceleration of the donkey is negative. (2 pts) Antonio hits a soccer ball from the ground, so that the ball follows a parabolic trajectory. The components of the initial velocity are 171x = 15 mfs and 13,, = 10 m/s. At the moment before the ball hits the ground, what are the components of velocity? (:1) up, = 15 m/s and v\5. (2 pts) Based on the previous question, what is the sign of the vertical displacement (lily) of the soccer ball? a) by is positive b) A}! is negative c) y is Om 6. (2 pts) Luisa throws Antonio's toy upwards. and Antonio catches it on the 2nd floor. Which of the following statements is TRUE? " a) The acceleration is upwards, so the toy accelerates. b) The acceleration is downwards, so the toy decelerates. c) The acceleration is upwards, so the toy decelerates. d) The acceleration is downwards, so the toy accelerates. 7. (3 pts) True or false: For a projectile thrown horizontally a) The horizontal component of the velocity is constant throughout the trajectory. b) The vertical component of the final and initial velocity have the same magnitude. c) The maximum (vertical) velocity is reached just before the object reaches the ground