While a car travels around a circular track at constant speed, ...

[809779]

While a car travels around a circular track at constant speed, its
 
  A) acceleration is zero.
  B) velocity is zero.
  C) both of these
  D) none of the above

Question 2

Planet Z-34 has a mass equal to one-third that of Earth and a radius equal to one-third that of Earth. With g representing, as usual, the free-fall acceleration at the surface of Earth, the free-fall acceleration at the surface of Z-34 is
 
  A) g/3.
  B) 3g.
  C) 6g.
  D) g/9.
  E) 9g.

[nathang24]

Answer to Question 1

Answer: D

Answer to Question 2

B

[809779]

TYSM

[Zebsrer]

Gracias!