A strobe photograph shows equally-spaced images of a car moving ...

[asd123]

A strobe photograph shows equally-spaced images of a car moving along a straight road. If the time intervals between images is constant, which of the following cannot be positive?
 a. the speed of the car
  b. the average velocity of the car
  c. the acceleration of the car
  d. the direction of motion of the car

Question 2

An object moves along the x axis, with its position given by the function x(t) =  t3 . Which of the following can be obtained from a graph of x vs. t?
 a. The velocity of the object at any instant in time
 b. The displacement of the object during a specified time interval
 c. The speed of the particle at any instant in time
 d. The average velocity of the object during as specified time interval
  e. All of the above

[lcapri7]

Answer to Question 1

c

Answer to Question 2

e

[asd123]

Thanks for the timely response, appreciate it

[scottmt]

Gracias!