S Part A Answer all questions in this part Directions 1 35
Last updated: 6/15/2023
S Part A Answer all questions in this part Directions 1 35 For each statement or question choose the word or expression that of those given best completes the statement or answers the question Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting Physics Record your answers on your separate answer sheet 1 Which combination correctly pairs a vector quantity with its corresponding unit 1 weight and kg 2 velocity and m s 3 speed and m s 4 acceleration and m s 2 A 12 0 kilogram cart is moving at a speed of 0 25 meter per second After the speed of the cart is tripled the inertia of the cart will be 1 unchanged 2 one third as great 3 three times greater 4 nine times greater 3 While taking off from an aircraft carrier a jet starting from rest accelerates uniformly to a final speed of 40 meters per second on a runway that is 70 meters long What is the magnitude of the acceleration of the jet 1 0 29 m s 2 0 57 m s 4 A 6 0 kilogram cart initially traveling at 4 0 meters per second east accelerates uniformly at 0 50 meter per second squared east for 3 0 seconds What is the speed of the cart at the end of this 3 0 second interval 1 1 5 m s 2 5 5 m s 3 1 8 m s2 4 11 m s sics June 18 3 3 0 m s 4 7 0 m s 5 A soccer ball is kicked into the air from level ground with an initial speed of 20 meters per second and returns to ground level At which angle above the horizontal should the ball be kicked in order for the ball to travel the greatest total horizontal distance Neglect friction 1 15 2 30 3 45 4 75 2 6 Starting from rest a car travels 18 meters as it accelerates uniformly for 3 0 seconds What is the magnitude of the car s acceleration 1 6 0 m s 2 2 0 m s 7 A ball is rolling horizontally at 3 00 meters per second as it leaves the edge of a tabletop 0 750 meter above the floor The ball lands on the floor 0 391 second after leaving the tabletop What is the magnitude of the ball s acceleration 0 200 second after it leaves the tabletop Neglect friction 1 1 96 m s 2 7 65 m s 3 3 0 m s 4 4 0 m s 8 A projectile with mass m is fired with initial horizontal velocity v from height h above level ground Which change would have resulted in a greater time of flight for the projectile Neglect friction 3 9 81 m 4 15 3 m s 1 decreasing the mass to m 2 2 decreasing the height to h 2 3 increasing the initial horizontal velocity to 20 4 increasing the height to 2h 1 2 2 Nos 2 880 Nes 9 A golf club hits a stationary 0 050 kilogram golf ball with an average force of 5 0 x 10 newtons accelerating the ball to a speed of 44 meters per second What is the magnitude of the impulse imparted to the ball by the golf club 1 0 025 N 2 5 0 N 3 1 1 x 104 Nos 4 2 2 x 105 N s 10 A tennis player s racket applies an average force of 200 newtons to a tennis ball for 0 025 second The average force exerted on the racket by the tennis ball is 3 200 N 4 80 0 N