9.1 Projectile Motion

9 Questions | Total Attempts: 559

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9.1 Projectile Motion

This is the projectile motion questions which is from the screencast. It is broken into more parts with more details (8 parts) and you should put aside at least 20 minutes to be able to complete it.


Questions and Answers
  • 1. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level What is the vertical compoenent of its velocity?
    • A. 

      50m/s

    • B. 

      86.6m/s

    • C. 

      90 m/s

    • D. 

      100m/s

  • 2. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level How high will it reach?
    • A. 

      127m

    • B. 

      254m

    • C. 

      382m

    • D. 

      441m

  • 3. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level Find the vertical component of the velocity when the cannon ball hits the water.
    • A. 

      84.3 m/s

    • B. 

      86.6 m/s

    • C. 

      88.8 m/s

    • D. 

      92.4 m/s

  • 4. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level Find the time taken for the cannon ball to hit the water.
    • A. 

      14.6 s

    • B. 

      16.6 s

    • C. 

      17.9 s

    • D. 

      19.4 s

  • 5. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level What is the horizontal component of the velocity?
    • A. 

      13.4 m/s

    • B. 

      50 m/s

    • C. 

      86.6 m/s

    • D. 

      96.2 m/s

  • 6. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level How far does the cannon ball travel in the horizontal direction before it hits the water (the range)
    • A. 

      870m

    • B. 

      895m

    • C. 

      945m

    • D. 

      999m

  • 7. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level By taking the changes in PE and KE, find the KE of ball as it hits the water, and hence calculate it's final velocity as it hits the water.
    • A. 

      50 m/s

    • B. 

      86.6 m/s

    • C. 

      100.0 m/s

    • D. 

      101.9 m/s

    • E. 

      107.7 m/s

  • 8. 
    A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level Given that you know the final horizontal component of the velocity (50m/s) and the final vertical component of the velocity (88.8 m/s), resolve these to give the magnitude of the final velocity.
    • A. 

      50 m/s

    • B. 

      86.6 m/s

    • C. 

      100 m/s

    • D. 

      101.9 m/s

    • E. 

      110.1 m/s

  • 9. 
    Are there any parts of the the cause problems?
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