A Car Enters a Level, Unbanked Semicircular Hairpin Turn of 100

question 24

Multiple Choice

A car enters a level, unbanked semicircular hairpin turn of 100 m radius at a speed of 28 m/s. The coefficient of friction between the tyres and the road is $\mu$ = 0.800. If the car maintains a constant speed of 28 m/s, it will:

• A)attempt to dig into the road surface.
• B)tend to veer toward the centre of the semicircle.
• C)arrive safely at the end of the semicircle.
• D)tend to veer toward the outside of the circle.
• E)veer toward the centre for the first quarter-circle, then veer toward the outside for the second quarter-circle.

---

Definitions:

Search Box

A text input field on a website or application designed for users to enter search queries.

Tile

A small square or rectangular icon that represents an application, file, or function, often used in graphical user interfaces.

Expedite

To speed up the process or progress of something to achieve quicker results.

Mnemonic Password

A password created using a pattern or phrase that is easy to remember but hard to guess, often incorporating special characters, numbers, and letters.