Which best describes the motion of the object between 1

and 4 seconds?

the object has decreasing acceleration and increasing

velocity.

the object has positive acceleration and eventually stops.

the object has decreasing acceleration and decreasing

velocity.

the object has negative acceleration and eventually

stops.

o

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain