Question 1. A cannon ball is fired into the air such that it is initially traveling 30 mfs upwards and 40 m/s horizontally. Its initial speed would be? Question 2. A cannon ball is fired into the air such that it is initially traveling 30 m/s upwards and 40 mils horizontally. It's final speed (iust before it hits the ground) would be (ignoring air resistance)? Question 3. When we look at footage taken from Astronauts on the moon objects appear to fall slower than they would on the Earth. Why is this so? (Tick the correct answer) The moons gravity is much less than Earth The moon has no atmosphere so we can neglect air resistance Its an optical illusion due to the footage been played in slow motion. Objects have less mass on the moon. lts trick photography those Moon landings are a hoax. 000000 Question 5. Bob and Neil are standing on top of a cliff, height 11. They both throw a ball with the same initial however Bob throws his straight up and Neil throws his straight down. The speeds of the ball when they eventually hit the ground below are vvsand gs, respectively. Neglecting air resistance which statement is true? 0 3; is less than gig o y; is the same as Mb, 0 v\" is greater thanys, o impossible to say Question 6. Riley is sitting on top of a flat level table and rolls a ball at 20 m/s towards the edge of the table. Assuming that the table is frictionless what is the vertical velocity of the ball as it leaves the edge of the table? Question 7. A small cart is rolling at constant velocity on a flat track. It fires a ball straight up into the air as it moves. After it is fired, what happens to the ball? o it falls right back into the cart o it depends on how fast the cart is moving 0 It falls behind the cart 0 It falls in front of the cart o it remains at rest Question 8. A penguin slide across the ice at constant velocity. What is the net force acting on the penguin? Zero More than its weight Equal to its weight 0 o o o Depends on the speed of the penguin