Physics Practice Test

Physics Practice Test 1. Which physical quantity is scalar in nature? A. 3:42 PM B. 23 m/sec; east C. 723 Nm; 216 degrees D. 34 km/sec; sin (120 degrees) 2. A bicycle trip of 680 m takes 12.6 seconds. What is the average speed of the bicycle? A. 53.97 m/sec B. 8,568 m/sec C. 0.054 km/min D. 8.57 m/sec 3. A go-cart has an initial speed of 23.4 m/sec. Fifteen seconds later the go-cart has a final speed of 46.8 m/sec. What is the magnitude of the go-cart’s acceleration? A. 702 m/sec2 B. 1.56 m/sec2 C. 362.7 m/sec2 D. 2.56 m/sec2 4. You walk for 15 minutes at 3.8 m/sec and then decide to run for 12 minutes at 2.5 m/sec. What is your average speed? A. 3.22 m/sec B. 3.15 m/sec C. 13.5 m/sec D. 1.125 m/sec