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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Definitions:

Causation

The relationship between cause and effect where one event (the cause) is understood to be responsible for the occurrence of another event (the effect).

Correlation

A measure of the relationship between two variables or sets of data.

Hives

An allergic reaction that causes itchy, red welts on the skin, often triggered by medications, foods, stress, or other stimuli.

Intention-To-Treat

An approach in clinical trials where the analysis includes all participants exactly as they were allocated, regardless of whether they completed the treatment according to the study protocol.