# Spaceman Spiff is stranded on an alien planet. In order to repair his spaceship, he needs to know what the acceleration due to gravity is on the planet. Spiff stands ona a cliff, throws a rock horizontally, and measures the time it takes to hit the ground 20m below. His data is shown in the following table. Calculate the acceleration due to gravity on this planet. Plot the velocity as a function of time. Can you show all the calculations please?

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Spaceman Spiff is stranded on an alien planet. In order to repair his spaceship, he needs to know what the acceleration due to gravity is on the planet. Spiff stands ona a cliff, throws a rock horizontally, and measures the time it takes to hit the ground 20m below. His data is shown in the following table. Calculate the acceleration due to gravity on this planet. Plot the velocity as a function of time. Can you show all the calculations please?

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Step 1

The total time taken is 2.31s.According to the equation of motion the acceleration due to gravity of the planet can be found out.

Step 2

To find the ve...

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