A Heavy Dart and a Light Dart Are Launched Vertically

question 37

Multiple Choice

A heavy dart and a light dart are launched vertically by identical ideal springs.Both springs were initially compressed by the same amount.There is no significant air resistance.Which of the following statements about these darts are correct? (There could be more than one correct choice. )

• A)The heavy dart goes higher than the light dart.
• B)The light dart goes higher than the heavy dart.
• C)Both darts reach the same maximum height.
• D)At the maximum height,both darts have the same gravitational potential energy.
• E)Both darts began moving upward with the same initial speed.

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