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Horizontal projectiles

12th grade (Year 13 in England) Ā· 16 questions Ā· Common Core: NGSS.HS-PS2-1 Ā· England: A level Physics: Projectile motion (extension)

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  1. Question 1

    What shape is the path of a horizontally launched projectile without air resistance?

    • A. a parabola
    • B. a straight line
    • C. a zigzag
    • D. a circle

  2. Question 2

    A stone is thrown horizontally at 15 m/s from a cliff 19.6 m high. How far from the base of the cliff does it land, in m? (g = 9.8 m/sĀ²; ignore air resistance)

    Answerm

  3. Question 3

    A ball is kicked horizontally off a cliff 20 m high. Ignoring air resistance, how long does it take to reach the beach below, in s? (g = 9.8 m/sĀ²; give 2 decimal places)

    Answers

  4. Question 4

    During a projectile's flight (no air resistance), what happens to its horizontal velocity?

    • A. it stays constant
    • B. it decreases to zero
    • C. it reverses
    • D. it increases

  5. Question 5

    A stone is thrown horizontally at 15 m/s from a cliff 4.9 m high. How far from the base of the cliff does it land, in m? (g = 9.8 m/sĀ²; ignore air resistance)

    Answerm

  6. Question 6

    A ball is kicked horizontally off a cliff 45 m high. Ignoring air resistance, how long does it take to reach the beach below, in s? (g = 9.8 m/sĀ²; give 2 decimal places)

    Answers

  7. Question 7

    During a projectile's flight (no air resistance), what happens to its horizontal velocity?

    • A. it increases
    • B. it reverses
    • C. it decreases to zero
    • D. it stays constant

  8. Question 8

    A stone is thrown horizontally at 5 m/s from a cliff 4.9 m high. How far from the base of the cliff does it land, in m? (g = 9.8 m/sĀ²; ignore air resistance)

    Answerm

  9. Question 9

    A ball is kicked horizontally off a cliff 4.9 m high. Ignoring air resistance, how long does it take to reach the beach below, in s? (g = 9.8 m/sĀ²; give 2 decimal places)

    Answers

  10. Question 10

    During a projectile's flight (no air resistance), what happens to its horizontal velocity?

    • A. it increases
    • B. it stays constant
    • C. it reverses
    • D. it decreases to zero

  11. Question 11

    A stone is thrown horizontally at 10 m/s from a cliff 44.1 m high. How far from the base of the cliff does it land, in m? (g = 9.8 m/sĀ²; ignore air resistance)

    Answerm

  12. Question 12

    A ball is kicked horizontally off a cliff 5 m high. Ignoring air resistance, how long does it take to reach the beach below, in s? (g = 9.8 m/sĀ²; give 2 decimal places)

    Answers

  13. Question 13

    One ball is dropped and another is fired horizontally from the same height at the same moment. Which lands first (no air resistance)?

    • A. They land at the same time
    • B. The dropped ball
    • C. The fired ball
    • D. It depends on their masses

  14. Question 14

    A stone is thrown horizontally at 8 m/s from a cliff 19.6 m high. How far from the base of the cliff does it land, in m? (g = 9.8 m/sĀ²; ignore air resistance)

    Answerm

  15. Question 15

    A ball is kicked horizontally off a cliff 4.9 m high. Ignoring air resistance, how long does it take to reach the beach below, in s? (g = 9.8 m/sĀ²; give 2 decimal places)

    Answers

  16. Question 16

    One ball is dropped and another is fired horizontally from the same height at the same moment. Which lands first (no air resistance)?

    • A. The fired ball
    • B. The dropped ball
    • C. It depends on their masses
    • D. They land at the same time

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Answer key: Horizontal projectiles

  1. 1. A. a parabola

  2. 2. 30 m

  3. 3. 2.02 s

  4. 4. A. it stays constant

  5. 5. 15 m

  6. 6. 3.03 s

  7. 7. D. it stays constant

  8. 8. 5 m

  9. 9. 1 s

  10. 10. B. it stays constant

  11. 11. 30 m

  12. 12. 1.01 s

  13. 13. A. They land at the same time

  14. 14. 16 m

  15. 15. 1 s

  16. 16. D. They land at the same time