In her physics lab, Melanie rolls a 10 g marble down a ramp and off the table with a horizontal velocity of 1.2 m/s. The marble falls in a cup placed 0.51 meters from the table’s edge. How high is the table?

Respuesta :

Answer:

0.89 m

Explanation:

The time it takes to land is:

0.51 m / (1.2 m/s) = 0.425 s

The distance it falls in that time is:

Δy = v₀ t + ½ at²

Δy = (0 m/s) (0.425 s) + ½ (9.8 m/s²) (0.425 s)²

Δy = 0.89 m

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