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In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum...

In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.4 cm . A second projectile causes the pendulum to swing twice as high, h2 = 4.8 cm . Part A The second projectile was how many times faster than the first?

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