This print-out should have 9 questions. What is its acceleration at this point? Multiple-choice questions may continue on the next column or page - find all choices 1. Unable to determine before answering. 2. 9.8 m/s' up 3. Zero 001 10.0 points 4. 9.8 m/s' down A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- 005 (part 1 of 3) 10.0 points ters per second in 6 seconds. A girl delivering newspapers travels 3 blocks What distance has the car traveled during west, 4 blocks north, then 6 blocks east. the 6 seconds? What is the magnitude of her resultant dis- placement? 1. 30 m Answer in units of blocks. 2. 60 m 3. 15 m 006 (part 2 of 3) 10.0 points 4. 90 m Find the direction (measured from due east, 5. 180 m with counterclockwise positive) of her dis- placement. 002 10.0 points Answer in units of ". An object is released from rest on a planet that has no atmosphere. The object falls 007 (part 3 of 3) 10.0 points freely for 4.77 m in the first second. What is the total distance she travels? What is the magnitude of the acceleration Answer in units of blocks. due to gravity on the planet? Answer in units of m/s . 008 10.0 points A golfer is enjoying a day out on the links. 003 10.0 points What maximum height will a 326 m drive A football is thrown upward at a(n) 45" angle reach if it is launched at an angle of 15.0" to to the horizontal. the ground? The acceleration due to gravity The acceleration of gravity is 9.8 m/s. is 9.81 m/8 - To throw a(n) 64.9 m pass, what must be Answer in units of m. the initial speed of the ball? Answer in units of m/s. 009 10.0 points Two particles are at the same point at the 004 10.0 points same time, moving in the same direction. Par- A stone is thrown straight upward and at the ticle A has an initial velocity of 7.1 m/s and top of its trajectory its velocity is momentar- an acceleration of 2 m/s. Particle B has an ily zero. initial velocity of 2.4 m/s and an acceleration of 4.1 m/5. At what time will B pass A? Answer in units of s