An object is moving with no net forces acting upon it. Which account might describe the object's motion? 1. accelerating in a straight line
II. moving at constant speed in a straight line
Ill. moving at constant speed in a curved arc
OA. ll and Ill only
OB. Ill only
OC. land Il only
OD. I, II, and III
OE.
ll only

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.

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two