A Ball Rolls Down an Incline,starting from Rest

question 55

Multiple Choice

A ball rolls down an incline,starting from rest.If the total time it takes to reach the end of the incline is T,how much time has elapsed when it is halfway down the incline?

• A)0.5 T
• B)< 0.5 T
• C)> 0.5 T
• D)More information is needed.

---

Definitions:

Dropout Current

The minimum current level at which a device, like a relay, deactivates or returns to its "off" state.

Magnetic Lines

Invisible lines of magnetic force that emanate from magnetic fields, showing the direction a magnetic force acts.

Flux

Flux, in the context of electromagnetism, refers to the rate of flow of a property per unit area, such as the magnetic field lines per unit area in a magnetic circuit.

Induction Motor

An induction motor is a type of asynchronous electric motor where power is supplied to the rotor by electromagnetic induction, rather than direct electrical connection.