A Copper Penny Slides on a Horizontal Frictionless Table

question 25

Multiple Choice

A copper penny slides on a horizontal frictionless table.There is a square region of constant uniform magnetic field perpendicular to the table, as shown.Which graph correctly shows the speed v of the penny as a function of time t?

• A)I
• B)II
• C)III
• D)IV

---

Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, involved in stress responses, metabolism, and immune function.

Diabetes

A chronic health condition where the body is unable to properly process glucose, leading to elevated blood sugar levels.

Hormone

A chemical that is produced and secreted into the bloodstream to affect and influence physiological functions.

Memory Declines

The gradual deterioration of memory functions, often associated with aging but also influenced by other factors.