A Car Accelerates Uniformly from Rest to a Speed of 20

question 37

Multiple Choice

A car accelerates uniformly from rest to a speed of 20 m/s at the end of 1 min; it then accelerates uniformly to a speed of 40 m/s at the end of the next minute.During this 2-min period,the average speed of the car is

• A)7.5 m/s
• B)30 m/s
• C)15 m/s
• D)20 m/s
• E)40 m/s

---

Definitions:

Flattens

Becomes level or even without any raised areas or bumps; reduces in thickness or protrusion.

Bulges

Protrusions or outward expansions often seen in materials, body parts, or other physical objects.

EOG

Electrooculography involves measuring the standing potential between the cornea and retina, which is present from the front to the back of the human eye.

EEG

Electroencephalography, a method to record electrical activity of the brain through electrodes placed on the scalp.