This exam consists of 25 questions; true-false questions are worth 2 points each, three-choice multiple choice questions are worth 3 points each, five-choice multiple choice questions are worth 6 points each. The maximum possible score is 114. When the exam was given, the mean was 89.3; the median was 93. Click here to see the formula sheet that came with the exam.

An object starts from rest at t= 2 s at an initial position of x = 7.2 m and moves with constant acceleration. At t = 6 s, the object is at x = -4.4 m. What is the magnitude of the acceleration of the object?

(a) 5.80 m/s^{2} (b) 0 (c) 16.95 m/s^{2} (d) 1.45 m/s^{2} (e) 11.3 m/s^{2}

(a) 11.60 m/s (b) 2.90 m/s (c) 22.6 m/s

(a) 2.0 s (b) 1.0 s (c) 3.0 s (d) 5.0 s (e) 4.0 s

(a) 36.6 m/s (b) 18.7 m/s (c) 24.5 m/s (d) 12.2 m/s (e) 48.4 m/s

A ball rolls off a horizontal surface of a 1.5 m high table with an initial horizontal speed of 2.0 m/s. At what distance from the edge of the table will it land on the floor?

(a) 0.55 m (b) 1.1 m (c) 2.2 m (d) 3.3 m (e) 4.4 m

(a) 1.4 D (b) 2 D (c) 4 D

A cannon ball is fired at an angle of 22° above horizontal with an initial speed v_{0} = 300 m/s, reaching a maximum height h before hitting the ground.

What is the maximum height h reached by the ball?

(a) 644 m (b) 782 m (c) 981 m (d) 2420 m (e) 3185 m

(a) 300 m/s (b) 0 m/s (c) 278 m/s

(a) 2 h (b) 3 h (c) 4 h

The space shuttle is in a circular orbit around the earth at an altitude of about 6000 m from the center of the earth. It makes one complete orbit in about 90 minutes. What is the acceleration of the shuttle towards the center of the earth?

(a) 8.1 × 10^{-3}m/s^{2} (b) 2.5 × 10^{-4}m/s^{2} (c) 6.1 × 10^{-5}m/s^{2} (d) 44 m/s^{2} (e) 0 m/s^{2}

(a) the same as that of the shuttle. (b) greater than that of the shuttle. (c) less than that of the shuttle.

A pilot must fly her plane due north to reach her destination. The plane flies at 300 km/h in still air. If a wind is blowing from the west at 60 km/h, what is the direction the pilot must head her plane in order to fly straight north?

(a) 6.1° east of north (b) 12.2° east of north (c) 14.2° west of north (d) due west (e) 11.5° west of north

(a) greater than 300 km/h. (b) 300 km/h. (c) less than 300 km/h.

A block of mass m_{1} = 2 kg is on a frictionless horizontal surface. A light string that passes over frictionless and massless pulley pulls it. The other end of the string is connected to a block of mass m_{2} = 3 kg. What is the acceleration of the blocks?

(a) 2.94 m/s^{2} (b) 2.0 m/s^{2} (c) 11.7 6m/s^{2} (d) 4.0 m/s^{2} (e) 5.88 m/s^{2}

(a) greater than 29 N (b) less than 29 N (c) 29 N

(a) equal to T. (b) larger than T. (c) smaller than T.

A small disk of mass m = 0.2 kg is tied to the end of a light string and twirled at constant speed v = 3 m/s in a circle of radius R = 4 m on a horizontal frictionless surface. What is the tension in the string?

(a) 0.45 N (b) 0.6 N (c) 1.8 N (d) 2.7 N (e) 0.23 N

(a) greater than F. (b) equal to F. (c) less than F.

(a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4 (e) 0.5

A skier glides down a frictionless slope that is inclined at q = 13° to the horizontal. What is the acceleration of the skier?

(a) 0.58 m/s^{2} (b) 2.2 m/s^{2} (c) 9.81 m/s^{2} (d) 0.15 m/s^{2} (e) 0.29 m/s^{2}

(a) 1.5 s (b) 3.4 s (c) 6.8 s (d) 8.5 s (e) 4.7 s

(a) less than Mg. (b) equal to Mg. (c) greater than Mg.

In the diagram, two adjacent blocks of mass 2 kg and 4 kg are free to slide on a horizontal frictionless surface. A force F=6 N is applied to the 2 kg block.

The net force on the 2 kg block is

(a) greater than 6 N. (b) equal to 6 N. (c) less than 6 N.

(a) greater than the net force on the 2 kg block. (b) equal to the net force on the 2 kg block. (c) less than the net force on the 2 kg block.