The horizontal coordinates of a
in a strong wind are given by
where x and y are in meters,and t is in seconds.
(a)What is the acceleration of the Frisbee? Give a magnitude and a direction,measuring angles from the positive x direction.
(b)What is the magnitude of the velocity at t = 2.0 s,accurate to the nearest m/s?

Question

The horizontal coordinates of a  
in a strong wind are given by  
where x and y are in meters,and t is in seconds.
(a)What is the acceleration of the Frisbee? Give a magnitude and a direction,measuring angles from the positive x direction.
(b)What is the magnitude of the velocity at t = 2.0 s,accurate to the nearest m/s?

Quizplus · Accepted Answer

The Answer of The horizontal coordinates of a  
in a strong wind are given by  
where x and y are in meters,and t is in seconds.
(a)What is the acceleration of the Frisbee? Give a magnitude and a direction,measuring angles from the positive x direction.
(b)What is the magnitude of the velocity at t = 2.0 s,accurate to the nearest m/s?

The Horizontal Coordinates of a