While the truck ks driving to South Bend, he accelerates from 31 m/s to 40 m/s to pass a car in 10 seconds. What was the trucks acceleration?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)