An object moves in a circular path with constant speed v. Which ...

[mia]

An object moves in a circular path with constant speed v. Which of the following statements is true concerning the object?
  1.Its velocity is constant, but its acceleration is changing.
  2.Its acceleration is constant, but its velocity is changing.
  3.Both its velocity and acceleration are changing.
  4.Its velocity and acceleration remain constant.

Question 2

A race track is constructed such that two arcs of radius 80 m at A and 40 m at B are joined by two stretches of straight tracks as in the figure. In a particular trial run, a driver traveled at a constant speed of 50 m/s for one complete lap. In this case, the angular speed is greatest at
 

[flannelavenger]

Answer to Question 1

3

Answer to Question 2

2

[mia]

Gracias!

[upturnedfurball]

Thanks for the timely response, appreciate it