Which of the following has no acceleration?
A) a car making a turn at constant speed
B) a person running 100 m straight across a field at a constant speed
C) a satellite orbiting at a constant speed
D) a person running once around a track at a constant speed

Question

Which of the following has no acceleration?
A) a car making a turn at constant speed
B) a person running 100 m straight across a field at a constant speed
C) a satellite orbiting at a constant speed
D) a person running once around a track at a constant speed

samantha2234 · Answer

Can anyone help me???

dumbcow · Answer

All of them.  Anything with a constant speed means speed is not changing therefore acceleration is 0

samantha2234 · Answer

:) thanks

irishboy123 · Answer

B) only

in the other 3, you may have constant speed but you also have a change in direction of travel



velocity and acceleration are vectors