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Physics 4C: (X + Y motion) Projectile Motion

Quiz by Sherry Felux-Bell

High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)

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16 questions
Show answers
  • Q1
    A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components are 12.5 m/s and 21.7 m/s, respectively. According to the information and diagram shown above, what position will have the greatest magnitude of vertical acceleration?
    Question Image
    A
    The magnitude of acceleration is the same at all the positions.
    C
    B
    120s
    112.39.c.4.c
  • Q2
    A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components are 12.5 m/s and 21.7 m/s, respectively. Refer to the above information and diagram. What position will have the smallest magnitude of vertical velocity?
    Question Image
    B
    C
    A
    All positions have the same magnitude of velocity.
    120s
    112.39.c.4.c
  • Q3
    A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components are 12.5 m/s and 21.7 m/s, respectively. Refer to the information and diagram shown above. At position C, the ball will have a horizontal velocity of ―
    Question Image
    21.7 m/s
    25.0 m/s
    12.5 m/s
    85 m/s
    120s
    112.39.c.4.c
  • Q4
    A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components are 12.5 m/s and 21.7 m/s, respectively. According to the information and diagram above, the student can maximize the horizontal displacement of the baseball by —
    Question Image
    decreasing the angle to 30 degrees
    decreasing the angle to 45 degrees
    increasing the angle above 60 degrees
    angle has no impact on the horizontal displacement
    120s
    112.39.c.4.c
  • Q5
    A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components are 12.5 m/s and 21.7 m/s, respectively. Refer to the information and diagram above. The student would like to increase the flight time of the baseball without changing the angle the ball is released. What can the student do to increase the flight time of the ball?
    Question Image
    Increase the velocity of the ball
    Decrease the mass of the ball
    Decrease the velocity of the ball
    Increase the mass of the ball
    120s
    112.39.c.4.c
  • Q6
    Astronauts often undergo special training in which they are subjected to extremely high centripetal accelerations. One device has a radius of 15 m and can accelerate a person at 98 m/s . What is the speed of the astronaut in this device?
    1470 m/s
    6.53 m/s
    735 m/s
    38.3 m/s
    120s
    112.39.c.4.c
  • Q7
    A baseball was thrown with an initial velocity of 14 m/s at an angle above the horizontal. It remained in the air for 2 s. Which of the following quantities was constant while the baseball was in the air?
    Velocity
    Position
    Acceleration
    Displacement
    120s
    112.39.c.4.c
  • Q8
    Compared to the range of a bullet shot horizontally just above horizontal ground, a bullet shot from the same position at an angle of 30 degrees with the same initial velocity as the first bullet, would travel a horizontal distance that is ―
    the same
    farther
    not as far
    the same, but will remain in the air longer
    120s
    112.39.c.4.c
  • Q9
    A student athlete is participating in the hammer throw. The student rotates in uniform circular motion with the mass rotating 2.3 m away from the center of rotation. Refer to the information and diagram shown above. The student athlete can rotate so that the object is moving with a speed of 10 m/s. What is the acceleration necessary to maintain uniform circular motion?
    Question Image
    0.023m/s^2
    43.5 m/s^2
    0.23 m/s^2
    4.35 m/s^2
    120s
    112.39.c.4.c
  • Q10
    A student athlete is participating in the hammer throw. The student rotates in uniform circular motion with the mass rotating 2.3 m away from the center of rotation. Refer to the information and diagram above. The University Interscholastic League (UIL) is considering adding an event that increases the length of the chain, doubling the distance from the athlete to the mass. By what factor will the acceleration of the ball change if the speed remains unchanged?
    Question Image
    The acceleration of the ball will increase by a factor of a sqr rt of 2.
    The acceleration of the ball will decrease by a factor of 2.
    The acceleration of the ball will increase by a factor of a sqr rt of 2.
    The acceleration of the ball will decrease by a factor of a square rt of 2.
    120s
    112.39.c.4.c
  • Q11
    A student is attempting to hit a target 4 m from the edge of a desk that is 1.4 m tall. The marble rolls off a table horizontally as shown below. According to the above information and diagram, what velocity must the marble have to strike the target?
    Question Image
    14.0 m/s
    1.55 m/s
    2.86 m/s
    7.49 m/s
    120s
    112.39.c.4.c
  • Q12
    Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The rock lands 60 m from the base of the cliff. Refer to the above information and diagram. What is the magnitude of velocity for the horizontal component just before Rock A strikes the ground?
    Question Image
    20 m/s
    44.1 m/s
    9.8 m/s
    0 m/s
    120s
    112.39.c.4.c
  • Q13
    Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The rock lands 60 m from the base of the cliff. According to the information and diagram shown above, what is the magnitude of the vertical acceleration for Rock A after it is released?
    Question Image
    20 m/s
    9.8 m/s
    3 m/s
    0 m/s
    120s
    112.39.c.4.c
  • Q14
    Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The rock lands 60 m from the base of the cliff. Refer to the information and diagram shown above. A second rock (Rock B) is thrown from the same height from which Rock A was dropped. If both rocks are released simultaneously, which rock will strike the ground first?
    Question Image
    Rock B
    They will strike at the same time.
    Rock A
    The answer depends on the height of the cliff.
    120s
    112.39.c.4.c
  • Q15
    Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The rock lands 60 m from the base of the cliff. According to the above information and diagram, how long will Rock A be in the air?
    Question Image
    1200 s
    3.5 s
    10.5 s
    3.0 s
    120s
    112.39.c.4.c

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