Question

Plz help Select ALL of the objects that are accelerating?

1 An apple falling off of a tree that speeds up as it falls towards the ground
2 A racecar driving at a speed of 100 miles/hour as it goes around a curve in the racetrack
3 A beam of light traveling from the sun to the Earth at a speed of -300,000,000 meters/second
4 A bus that is slowing down as it approaches the bus stop

Answer 1

1, 2, and 4
because 1 and 4 are changing their speed. While 2 is changing directions.