2. The position of an object is given by . The position of the object (in meters) when the object has traveled its maximum positive distance from the origin is closest to      a.      14                               b. 8                               c. 5               d. 4   4. A ball is tossed into the air. As it returns to earth, its velocity and acceleration are respectively a. positive and positive   b. positive and negative     c. zero and negative     d. negative and negative   6. A ball rolls off an 80 m high flat (horizontal) roof with an initial speed of 50 m/s. At what horizontal distance does the ball strike the ground (in meters) as measured from the edge of the roof. a. 1000                 b. 200                           c.  800                           d. 800   7. An M1 = 10 kg block is connected to a second block of mass M2 = 20 kg by means of a cable. The system is pulled by a second cable with tension TC = 60 N. The tension T in the cable connecting the masses (in N) is a.    5                b.   10                c.  20               d.  30

2. The position of an object is given by . The position of the object (in meters) when the object has traveled its maximum positive distance from the origin is closest to     

a.      14                               b. 8                               c. 5               d. 4

4. A ball is tossed into the air. As it returns to earth, its velocity and acceleration are respectively

a. positive and positive   b. positive and negative     c. zero and negative     d. negative and negative

6. A ball rolls off an 80 m high flat (horizontal) roof with an initial speed of 50 m/s. At what horizontal distance does the ball strike the ground (in meters) as measured from the edge of the roof.

1. a. 1000                 b. 200                           c.  800                           d. 800

7. An M₁ = 10 kg block is connected to a second block of mass M₂ = 20 kg by means of a cable. The system is pulled by a second cable with tension T_C = 60 N. The tension T in the cable connecting the masses (in N) is

a.    5                b.   10                c.  20               d.  30