If a Projectile Is Fired Straight Up at a Speed

question 9

Multiple Choice

If a projectile is fired straight up at a speed of 10 m/s, the total time to return to its starting position is about

• A)1 s.
• B)2 s.
• C)10 s.
• D)20 s.
• E)not enough information given

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Definitions:

Initial Break-In

Refers to the period or process where new machinery or vehicles undergo usage under specific conditions to ensure all components are working properly and to allow for proper settling and adjustment.

E-250 Lubricant

A specialized lubricant formulated for specific industrial or automotive applications, known for its viscosity and protective qualities.

Detent Position

A mechanical feature that locks a moving part in a specific position, often found in gear selectors to hold gears in place.