1) Which one of the following measurements is closest to 1 x 10 meter? A) width of a student's finger B) length of a foo

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1 Which One Of The Following Measurements Is Closest To 1 X 10 Meter A Width Of A Student S Finger B Length Of A Foo 1 (99.04 KiB) Viewed 88 times

1 Which One Of The Following Measurements Is Closest To 1 X 10 Meter A Width Of A Student S Finger B Length Of A Foo 2 (62.12 KiB) Viewed 88 times

1 Which One Of The Following Measurements Is Closest To 1 X 10 Meter A Width Of A Student S Finger B Length Of A Foo 3 (108.23 KiB) Viewed 88 times

1) Which one of the following measurements is closest to 1 x 10 meter? A) width of a student's finger B) length of a football field C) diameter of an atom D) height of a schoolteacher 2) Which object has the greatest inertia? A) a 10-kg mass traveling at 5.0 m/s C) a 10-kg mass traveling at 10. m/s B) a 5.0-kg mass traveling at 15 m/s D) a 15-kg mass traveling at 5.0 m/s 3) A projectile is launched at an angle above the ground. The horizontal component of the projectile's velocity, Vx, is initially 40 meters per second. The vertical component of the projectile's velocity, vysis initially 30. meters per second. What are the components of the projectile's velocity after 2.0 seconds of flight? [Neglect friction.] A) Vx = 40. m/s and vy = 30. m/s B) V - 20. m/s and vy - 30. m/s C) Vy - 20. m/s and vy - 10. m/s D) Vx = 40. m/s and vy = 10. m/s

8) Which one of the following quantities is a vector? A) kinetic energy B) weight C) power D) speed 9) A hiker travels 1.0 kilometer south, turns and travels 3.0 kilometers west, and then turns and travels 3.0 kilometers north. What is the total distance traveled by the hiker? A) 3.6 km B) 5.0 km C) 7.0 km D) 3.2 km 10) A child walks 5.0 meters north, then 4.0 meters east, and finally 2.0 meters south. What is the magnitude of the resultant displacement of the child after the entire walk? A) 5.0 m B) 3.0 m C) 1.0 m D) 11.0 m

15) Which graph represents the motion of an object traveling with a positive velocity and a negative acceleration? Position EENEK Position Position Position Time Time Time Time 16) What is the final speed of an object that starts from rest and accelerates uniformly at 4.0 meters per second over a distance of 8.0 meters? A) 8.0 m/s B) 32 m/s C) 64 m/s D) 16 m/s 17) In a race, a runner traveled 12 meters in 4.0 seconds as she accelerated uniformly from rest. The magnitude of the acceleration of the runner was A) 48 m/s B) 1.5 m/s C) 3.0 m/s D) 0.25 m/s2 18) A car traveling west in a straight line on a highway decreases its speed from 30.0 meters per second to 23.0 meters per second in 2.00 seconds. The car's average acceleration during this time interval is A) 3.5 m/s2 cast B) 13 m/s west C) 13 m/s2 east D) 3.5 m/s2 west