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- 1. Multiple Choice
If you throw a baseball straight up, what is its velocity at the highest point?9.8 m/s29.8 m/s0 m/s20 m/s - 2. Multiple ChoiceIf you throw a baseball straight up, what is its acceleration at the highest point?-9.8 m/s2-9.8 m/s0 m/s20 m/s
- 3. Multiple ChoiceThe more mass an object has, the faster it will fall.TrueFalse
- 4. Multiple ChoiceIf I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?-6 m/s-12 m/s-18 m/s-24 m/s
- 5. Multiple ChoiceWhat is the horizontal acceleration of a projectile?0 m/s2-9.8 m/s2
- 6. Multiple ChoiceWhat is the resultant of these two vectors?+2a0-2a+a
- 7. Multiple ChoiceA ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How long until the ball reaches the ground?0.45 s0.67 s0.22 s0.47 s
- 8. Multiple ChoiceA ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?14.3 m30.55 m65 m43.55 m
- 9. Multiple ChoiceA bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?0.52 s0.27 s0.13 s0.36 s
- 10. Multiple ChoiceA bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How far did the bullet travel horizontally when it hit the ground?252.04 m489.32 m126.02 m346.00 m
- 11. Multiple ChoiceA cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. What is the vertical component of the cannonball’s velocity? What is the horizontal component of the cannonball’s velocity?-625 m/s; 625 m/s441.9 m/s; 441.9 m/s-441.9 m/s; 441.9 m/s0 m/s; 625 m/s
- 12. Multiple ChoiceA cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. How long until the cannonball hits the ground?75.4 s45.2 s62.3 s90.2 s
- 13. Multiple ChoiceA cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. How high did the cannonball travel?9963 m39,771 m7.22 m17183.25 m
- 14. Multiple ChoiceA baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. What is the vertical component of the ball’s velocity? What is the horizontal component of the ball’s velocity?24.9 m/s; 60.1 m/s60.1 m/s; 24.9 m/s0 m/s; 65 m/s17183.25 m
- 15. Multiple ChoiceA baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?500.76 m31.63 m103.7 m305.05 m
- 16. Multiple ChoiceTwo objects - one with mass m and the other with mass 2m - are released from rest at the same height. Which object has the greater velocity upon impact?mass mmass 2mboth objects will have the same velocityunable to determine with information given
- 17. Multiple ChoiceTwo balls of the same mass begin at a height of 2m. One is released from rest while the other begins with a horizontal velocity of 5m/s. Which object its the ground first?Ball ABall BBoth balls his the ground at the same timeunable to determine with information given
- 18. Multiple ChoiceTwo objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height height?ABBoth objects reach the maximum heightunable to determine with the given information
- 19. Multiple ChoiceA person begins a corn maze by walking 6.00m to the East and 10.0m to the North. How far away is the person from the starting position?10.4 m11.7 m16.0 m16.8 m
- 20. Multiple ChoiceA person begins a corn maze by walking 6.00m to the East,10.0m to the North, and another 8.00m East. How far away is the person from the starting position?17.2 m18.8 m21.4 m26.0 m
- 21. Multiple ChoiceA projectile is launched from a height with an initial velocity v0,x. The vf,x represents the final horizontal velocity before impact.v0x = vfxv0x < vfxv0x > vfxunable to determine
- 22. Multiple ChoiceThe horizontal and vertical parts of a projectile's velocity are called...resultantscomponentsresolutionsranges
- 23. Multiple ChoiceWhich launch angle will have the same range as 25°?65°45°55°none of these
- 24. Multiple ChoiceWhich launch angle will result in the longest range?30°45°60°90°
- 25. Multiple ChoiceA projectile does NOT have a horizontal velocity.TrueFalse
- 26. Multiple ChoiceThe horizontal velocity of a projectile changes by 9.8 m/s each second.TrueFalse
- 27. Multiple ChoiceThe horizontal velocity of a projectile is unaffected by the vertical velocity; these two components of motion are independent of each other.TrueFalse
- 28. Multiple ChoiceThe vertical component of a projectile's velocity is constant.TrueFalse
- 29. Multiple ChoiceIf air resistance can be neglected, what happens to the horizontal velocity of a basketball as it is thrown to the basket from the free-throw line?increasesdecreasesstays constant
- 30. Multiple ChoiceWhen no air resistance acts on a projectile, its horizontal acceleration isg.at right angles to g.upward, g.zero.
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