Amanufacturer of cd-rom drives claims that the player can spin the disc as frequently as 1200 revolutions per minute.

a. if spinning at this rate, what is the speed of the outer row of data on the disc?

this row is located 5.6 cm from the center of the disc.

b. what is the acceleration of the outer row of data?

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

What quantity do units represent in value