A physics student on Planet Exidor throws a ball, and it follows the parabolic t

Question

A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0s intervals until t = 3.0 s. At t = 1.0 s the ball's velocity has components vx = 2.0m/s , vy = 3.0m/s .(Figure 1)

What is the value of g on Planet Exidor?

What was the ball's launch angle?

Express your answer using two significant figures.

A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0s intervals until t = 3.0 s. At t = 1.0 s the ball's velocity has components vx = 2.0m/s , vy = 3.0m/s .(Figure 1) What is the value of g on Planet Exidor? What was the ball's launch angle? Express your answer using two significant figures.

Explanation / Answer

-3 = 3 -g*2

g = 6/2 = 3 m/s^2

3 = V -3*1

v = 6

tan theta = 6/2 = 3

theta = 71.57 degrees

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