1. When an object moves it acquires
(a) friction
(b) traction
(d) speed
(c) energy of motion

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?