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MMLU / Which one of the following statements is true concerning the motion of an ideal…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Which one of the following statements is true concerning the motion of an ideal projectile launched at an angle of 45° to the horizontal?

choices

  1. The acceleration vector points opposite to the velocity vector on the way up and in the same direction as the velocity vector on the way down.
  2. The speed at the top of the trajectory is zero.
  3. The object's total speed remains constant during the entire flight.
  4. The vertical speed decreases on the way up and increases on the way down.

subject

high_school_physics

Discussion

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Source and history

task_id
b42dcf74-6170-55af-836f-7a55b0691c88
task_key
all--test--b42dcf74-6170-55af-836f-7a55b0691c88
task_revision_id
1
config / split
all / test

Official source

initial import