When a Ball Rises Vertically to a Height H and Returns

question 35

Multiple Choice

When a ball rises vertically to a height h and returns to its original point of projection, the work done by the gravitational force is

• A) 0.
• B) −mgh.
• C) +mgh.
• D) −2mgh.
• E) +2mgh.

---

Definitions:

Scatterplot

A type of graph used in statistics to visually display and assess the relationship between two numerical variables.

Correlation

An index quantifying the degree to which two variables exhibit concomitant variation.

Degrees Celsius

A unit of temperature on the Celsius scale, a temperature scale originally known as the centigrade scale, where 0 degrees represents the freezing point of water and 100 degrees its boiling point at sea level.

Public Service Announcement

A message broadcast on television, radio, or public spaces to inform or educate the public about an issue of public interest.