The labeled graphs below represent the upward trajectories of 4 bodies, two slid

Question

The labeled graphs below represent the upward trajectories of 4 bodies, two sliding upwards on frictionless inclines and two in free flight. Note that all 4 bodies reach the same maximum height (9 meters) after traveling from the same initial elevation (0 m).

• The time of travel of Q is  greater than less than equal to  that of N

• The initial speed of P is  greater than less than equal to  that of R.
• The initial speed of P is  greater than less than equal to  that of N.
• The time of travel of P is  greater than less than equal to  that of R
• The time of travel of N is  greater than less than equal to  that of P.
• The initial speed of N is  greater than less than equal to  that of Q.
please doubt check answers before giving a solution, I've had multiple people get this wrong on here..

Explanation / Answer

The initial speed of P is equal to  that of R.
• The initial speed of P is less than that of N.
• The time of travel of P is  greater than that of R
• The time of travel of N is less than that of P.
• The initial speed of N is greater than that of Q

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