The process in which thermal energy flows by the mass movement of ...

[audie]

The process in which thermal energy flows by the mass movement of molecules from one place to another is known as
 
  A) conduction.
  B) convection.
  C) radiation.

Question 2

The position of a cart that is oscillating on a spring is given by the equation
 
  x = (12.3 cm) cos(1.26 s-1)t. When t = 0.805 s, what are the (a) velocity and (b) acceleration of the cart?

[owenfalvey]

Answer to Question 1

B

Answer to Question 2

(a) -13.2 cm/s (b) -10.3 cm/s2

[audie]

Excellent

[jamesnevil303]

Thanks for the timely response, appreciate it