Solve 5 multiple choice

Which of the following is not true about projectile motion a) The range of a projectile is maximized when launched at an angle of 45 b) An object with a larger mass will travel less far than a lighter object if launched at the same velocity c) An object can have the same speed at more than one point during its trajectory d) As mass increases, the deflection of a projectile due to air resistance decreases 2. Which of the following scenarios would be considered uniform motion? a) A ball is dropped from a building with no air b) A bike slows down at a constant rate resistance c) A skydiver releases a parachute to slow down d) None of the above 3. An object is dropped from some height and hits the ground 8.00 seconds later. From what height was it dropped? a)177m b) 314m c) 2.56x10 m d) Not enough information given 4. An object rolls horizontally off of a table and falls to the ground. Which of the following statements is true about this fall? =-981mlsa)v,, = 0m/sb) v,, = 0m/s c) v,, d) None of the above 5. A high speed train is moving at 550km/h [E]. If it takes 2.5 minutes for the train to come to a stop, what was the train's acceleration during this time? a) 220 km/h? b) 220 km/h? [E] (W] c) 13200 km/h? d) 13200 km/h? [E] [W]